Gentoo Linux 2005. Text editor functions in two modes: 1) Command mode and 2) Insert mode. The name “Vi” comes from the Ex command, visual, that is used to enter visual mode. A Linux distribution (often abbreviated as distro) is an operating system made from a software collection that includes the Linux kernel, and often a package management system. pwd - Print working directory command in Linux. Other criteria include security, including how quickly security upgrades are available; ease of package management; and number of packages. This Linux distro is one of the. In the screenshot above, the reply back from the system is “graphical. CLIs are used to control the program. wslconfig ). From being a tailor-made distro for advanced users to becoming a distribution for every kind of user, Fedora has become an ideal OS, packing a power-packed performance. All these tools have the same command syntax: nano filename vi filename jed filename. 2. Such applications include some small embedded systems, automobile engine controllers, industrial robots, spacecraft, industrial control, and some large-scale computing systems. These distributions have remained popular due to their user-friendly interfaces and wide range of software support. Linux Distribution. Supported operating systems include Android, Debian, Fedora, KDE neon, Kubuntu, Linux Mint, Manjaro and Ubuntu, ready in minutes. It is also adored by veteran Linux users due to its high flexibility and also the uncanny ability to use. O True O False QUESTION 2 5 points Saw t is considered a best practice to enable the Linux GUI on a system that will primarily be use s a server to make administration easier O True O False Click Save and Submit to saque and submit. Note that this does not mean that the full name of the text editor "vi" is still "visual" or, even, that "vi" currently stands for "visual" - the name of the editor is. Every machine comes pre-installed and ready-to-run with Linux. On Fedora and CentOS, install with yum: sudo yum install vim. In this mode, every typed character is considered as a command. If there are too many issues, you might consider another flavor of Linux. Reasons to avoid. map file in place, and the modules in place, we are now ready for the final step. 2. i – Insert at cursor (goes into insert mode) a – Write after cursor (goes into insert mode) A – Write at the end of line (goes into insert mode) ESC – Terminate insert mode. Linux began in 1991 as a personal project by Finnish student Linus Torvalds to create a new free operating system kernel. My opinion about Caldera Standard is that it is the best choice for a site that has existing Netware servers or clients. Bash Scripting is a powerful skill to have as a programmer because we find Linux almost everywhere and to get through it you must have a command over its interface which is generally the BASH shell. Vim is the advanced version of vi editor. Here, is the version number (and name) of the kernel. You want to run the following command inside your Linux terminal: iptables -L but know you will. Click "Restart now" when you're prompted to restart your computer. Share. Linux will very often install vim (vi improved) which is similar. 4 (2013 Aug 10, compiled Dec 15 2020 16:43:23) The output displays the current version of the vi editor, i. Starting vi. For some reason Sun still defaults to the flakey csh c-shell. Xfce is a very lightweight desktop environment, and the MX Linux system is designed itself to also be quite lightweight. Linux is a family of free and open-source operating systems based on the Linux kernel. One of those tools is the command-line tool – xxd, which is most commonly used to make a hex dump of a given file or standard input. Figure 2: Linux Mint running the Cinnamon desktop. ” usually, installed program on the distribution is Vim, and Vi just links to it as an alias. Whereas Ubuntu keeps things on the minimal side, Linux. conf and sensor3. Linux distributions take the Linux kernel and combine it with other software like the GNU core utilities, X. We won’t be covering the aforementioned popular. The one editor found on nearly every UNIX and Linux system is the vi editor, originally written by Bill Joy. It is included with almost every Linux distribution as the standard Vi editor. Vi is always available in every mode of Linux. 2 Answers. Indeed, computers based on x86_64 hardware (x86-64) are superior in every way to their 32-bits counterpart: they are more powerful, run faster, are more compact, and more energy efficient. 4 Oracle. ; It finds all files older than 10 minutes and long lists them using the ls command. Debian is renowned for being a mother to popular Linux distributions such as Deepin, Ubuntu, and Mint which have provided solid performance, stability, and unparalleled user experience. Unlike many other Linux distributions, Zorin isn’t built for servers. Vi edit modes. VI in the vi editor stands for Visual Editor. -x: This option is used for extracting archives. 6. , True or false: To save a text file in vi, you should press Ctrl+S. A Linux distribution is composed of a Linux kernel, GNU libraries and tools, other software, a window system, documentation, a desktop environment, and a window manager. To compare the two, let me give you a brief introduction to both. Refracta is a Linux distribution based on Devuan GNU+Linux (a systemd-free fork of Debian), designed primarily for home computer users and also for use as a system rescue and recovery disk. Sudo is a more secure method of granting temporary root privileges to users. Backed by one of the biggest Linux kernel contributors. 5 Sometimes Overlooked Independent Linux distros. Vi is a widely used command line text file editor comes with almost every linux distros. This set of Linux / Unix questions and answers focuses on VI Editor. Linux lets users edit files using a text editor like nano, vi, or jed. 04. Ubuntu Server is a Debian-based distribution that aims to be a lightweight, user-friendly operating system. It is available on every Linux and BSD distributions alongside the Windows operating system. 13 – Fedora. Most Linux distributions now ship with the vim (for Vi IMproved) editor rather than classic vi. Linux is typically packaged as a Linux distribution , which includes the kernel and supporting system software and libraries, many of which are provided by the GNU Project. To work on the VI text editor, you have to know how to use the VI editor in Linux. One of the most useful of these is Control-D (also represented as ^D ). It allows you to list the contents of the directory you want (the current directory by default), including files and other nested directories. vi /path/to. The VI editor, usually, starts in the command mode. 1) Create a startup file in Linux at /etc/init-wsl: #!/bin/sh echo booting service ssh start and make the script executable chmod +x /etc/init-wsl. Most Linux distributions will include the vimtutor which is a 45 minute lesson in vi(m). ), Which Linux distribution are you most likely to find in use on a cell phone?, True or false: It's possible for an end user to make good use of Linux without directly interacting with a text-mode shell. Zorin OS Lite is the best lightweight Linux distribution if you want a fast and stable system without compromising on the looks. Xxd Hex Editor for. 2. o – Open a new line (goes into insert mode) dd – Delete line. Enterprise distributions are designed for corporate, business, or academic use, offering regular software updates and dedicated. 3. Learn how to run the command to install the default Bash shell that uses Ubuntu or can be set to install. In the image below, you can see that the result is part of a word that contains the specified pattern. This is a RHEL (Red Hat Enterprise Linux) based distribution. Ubuntu belongs to the Debian -based Linux family, and many features, like the package manager, have similarities. desktop operating systems = cars. This command "scrolls" down in the file (the D stands for "down"). b) vi editor commands are not case sensitive. For example, you could use the dpkg -I command to install packages from the terminal in Ubuntu. 10 Kinetic Kudu) every year. Installation turned out to be an absolute snooze. One of the most common editors in the Linux world is the Vi editor, also known as a visual editor. A Linux rolling release distribution is continuously updated in all areas of the operating system, including the Linux kernel, the desktop environment, all utilities and all applications. Generally, a Linux distribution includes core components including a bootloader, a Linux kernel, an init system, daemons, a graphical server, and applications. $ sudo apt-get install. The process and tools used in making and uploading packages is called packaging. New versions are released every 6 months, and support (bug fixes) is provided for 18 months after the. A previous version of this tutorial was written by Shaun Lewis. So let’s start with the most common table “Filer”. Let's learn about some of the basic Vi operations before looking at my favorite commands. VI Editing commands. Pull the official docker image: docker pull busybox. If the target file doesn’t exist, these editors will create one. The default Vim is often a "tiny" version that lacks useful features like clipboard, multibyte or Ruby/Python support, for example. After not making it to the list of Top Linux distributions, we can say that Zorin rose from the ashes this year. The first rule to remember here is that there will be “the best Linux distro for me” ( Ubuntu 20. This simple-to-use but incredibly capable editor features a somewhat. server operating systems = heavy. The command mode is used to type commands to navigate the document, the insert mode. file. Well python does not come on ALL GNU/Linux distros but is present on most of the popular Linux home user distributions (Ubuntu and Fedora Core for example), possibly because most of the application of Gnome desktop environment and KDE use python 2. The feature won't work until you reboot. The 3CX client, included in the distribution, can also be installed separately on most hardware as well as the cloud. Essentially, where Windows promises a one-size-fits-all, out-of-the. The shorthand for that command is vi. Keep in mind that individual packages in the distribution are updated separately from the DLL so the Cygwin DLL version is not useful as a general Cygwin distribution release number. Knoppix License: free software licenses. When you first open a file with Vi, you are in Command mode. 13. Since python is almost integrated onto the system. 1. That package can be a: tar or tar. IF you are a macOS user and want to jump into the Linux world, this is a perfect distro. With this move to CentOS Stream as the project focus, the CentOS community will continue to bring the same features to our Linux distro. 3. 1. Linux system is derived from Unix and it is a. Choosing the perfect Linux distribution that satisfies your personal needs and likings can be an impossible task, and oftentimes requires a hint of Stockholm syndrome as compromise. It plays a pivotal role in determining your success as a Linux system administrator. 0-or-later: See Full List--Neovim. As a rock-solid Linux distribution, Debian Linux is so committed to free software (so it will always remain 100% free) but it also allows users to install and use non-free. DragonOS, a Debian-based Linux distribution specifically packaged for software-defined radio functionality, roared onto the wavelengths during the beginnings of the various. As the cURL is already in the Linux repository, it is now easier to install. It supports the latest EC2 instance type features and includes. exe is able to run commands inside the wsl distro, we simply schedule to run this file through the command wsl -u root /etc/init-wsl. Linux Lite - a minimal distribution that can be used as a desktop. Kali Linux (formerly known as BackTrack Linux) is an open-source, Debian-based Linux distribution aimed at advanced Penetration Testing and Security Auditing. This makes it something like the lowest common denominator, the editor every Linux/Unix user should at least know a little bit about in order to fix small problems (and install other editors if they want). One of those clones, Vim (Vi Improved) includes features such as: visual mode; new editing commands; syntax highlighting with color schemes; mouse support; With its user-friendly nature, Vim is now an integral part of nearly every Linux distribution. Nitrux is an immutable Linux distribution, meaning no changes occur to the content of the root directory by default. The first rule to remember here is that there will be “the best Linux distro for me” ( Ubuntu 20. 6. Since python is almost integrated. Rocky Linux. Basically, most of recent distros have vim implementation instead of the original vi software. This makes it easy to include vi on even the tiniest versions of Linux, such as those in embedded systems and those that run from a single floppy disk. txt Vim (or at least vi) is installed by default on all Ubuntu (or any other Linux) flavor. In the project containing your VI, right-click on Build Specifications and select New»Source Distribution. Scientific Linux. macOS / Linux: On Linux, you can use your distribution's package manager to install SSHFS. Ubuntu is one of the best Linux distros for developers due to its extreme flexibility, scalability and secured data centres. Software and applications are bundled into packages, and Linux distributions are categorized by these package types. 24 Popular Linux Distributions. An operating system is the software that directly manages a system’s hardware and resources, like CPU, memory, and storage. vim editor. Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file. Execute the vi edit. # vi /home/user/. x: delete character; dw: delete word; d$: delete from current position to end of line d0: delete from current position to beginning of line; dG: delete to last line of file; Undo. Richard M. Select Source Files under the category list on the left of the source distributions properties window. While nano comes built-in on most Linux distros, you will have to install Vim manually. Starting vi. The old Vi has some properties that are not relevant in modern systems, for example, no support of arrow keys and it has no color system. To run these commands from a Bash / Linux distribution command line, you must replace wsl with wsl. 1. Many people are not too fond of vi, but are, alas, often forced into using it when it is the only known option. Note: As of Linux kernel version 3. Vim is upward compatible with vi and has a graphical mode available (gvim) as well as the standard vi text mode interface. Linux Kernel. To check the current default target of your system: $ systemctl get-default. 9 or later, VMware supports the open-vm-tools package where it is included in a Linux distribution or its. Three primary ways to manage software: Red Hat Package Manager (RPM) method. Besides the kernel, the usual components of a desktop Linux distribution are GNU tools and libraries, a package manager, a windowing system (like X11 and Wayland), a window manager (such as KWin and Compiz), and a desktop. Cron runs in the background and tasks scheduled with cron, referred to as “cron jobs,” are executed automatically, making cron useful for automating. All of the books published to date focus on vi alone not the expanded vim shipping with every major Linux distribution. 7. Free Linux distributions. deb file, click Install, and enter your password to install a downloaded package on Ubuntu. The only way this book could be more definitive would be to include the source code. Choose your favorite GNU/Linux distributions from the Microsoft Store. It is a text editor that is an early attempt to a visual text editor. Almost every added software is open-source and free and becomes available both as in source code and compiled binary form, permitting changes to the actual software. The first step is to check if the vi editor is installed on the local machine or not. The "w" in the wget command is an indicator of its intended purpose. e. After making the required edits you should save the file. 2. However, a catch makes it different from the torch. In particular, the maintenance lifetime of most free. Iptables is a standard firewall included in most Linux distributions by default. There is also a Graphical User Interface (GUI) available. This seems plausible, as disregarding of whether I open vi or vim from my terminal, absolutely identical welcome screen launches, with identical software name, version, author and etc. Checking /etc/vimrc In fact, it comes pre-installed; VI comes pre-installed on almost every Linux distribution. Answer C is correct because vi is in nearly every distribution of Linux that exists. If you need a plugin or a colorscheme, the best place to look at is vim. The Vi editor has two modes: Command and Insert. 2. vim is my favorite, but it is not the only choice to do work and do it well. It exclusively uses the keyboard and provides a very efficient interface for editing programs and. 2) Schedule executing this file at windows boot or log on. You’ll see your alpine image, tag, and its minuscule (yes, you saw that right) 5. Linux Mint. Every system administrator should know vi(m), because it is an easy tool to solve problems. There's absolutely no "best" distro for programming. If the file you provide doesn't exist, it's created when Vi opens: $ vi example. vi editor. You can successfully exit the file after reading using keys : ESC. GNU projects includes a lot of things actually, like the Bash shell, GNU C Compiler, GRUB boot loader, GTK+, Gzip, Nano and a lot of other software. ) are of it. The size of this portable Linux is dependent on the user, and this distro is modular. Which version of Vi is installed? The easiest way to. Best source-code-based Linux distro for programming. Distro #6: Elementary OS Hera. From being a tailor-made distro for advanced users to becoming a distribution for every kind of user, Fedora has become an ideal OS, packing a power-packed performance. Its design philosophy emphasizes code readability with the use of significant indentation. If you would like to set user specific aliases and functions, then you need to open the file . Once you’ve decided on either a beginner Linux distribution or advanced distribution, there are a couple of major factors to take into account that set them apart. $ sudo adduser tecmint. but for every (linux) Library you want to use, you will have to download &. gz. Most of the commands you cite (cd, mkdir, ls, echo, grep, sed, awk, etc. Vi or Vim. Beginner: Ubuntu, Linux Mint, Fedora, SolusOS, ElementaryOS, OpenSUSE. If your guest includes the open-vm-tools-gui, open-vm-tools, or vmware-guest-kmp-desktop components, you must remove the components before installing the VMware Tools supplied by VMware. For over a decade, Ubuntu was considered the most recommended Linux distribution for new users. Once you've learned vi, you'll not Working with emacs. Since most Linux distributions also include the GNU userland software, many people call these operating systems GNU/Linux distributions. By default cron is enabled for users, however, we can restrict users by adding an entry in /etc/cron. In the real world, no such engine exists, but accept it for the sake of this analogy. Absolute line numbers: Represents the well-known chronological numbering. 7. 6. For more information about Nano, see The Beginner’s Guide to Nano, the Linux Command-Line Text Editor. To make your selection process easier, we have listed the top three Linux distros in these categories: Best Linux distributions for a VPS – Ubuntu Server, Red Hat Enterprise Linux (RHEL), and Rocky Linux. Every Linux distro mentioned here will run a live version of itself on a bootable USB thumb. Heading back to the topic, To use Linux as a Virtual Machine you might need Virtual Machine Software. Esc – exit insert mode; switch to command mode. Viscosity index, a measure of how viscosity of a liquid changes with temperature. Many of them his its own position right now at your Linux distribution. Organizational differences may be motivated by historical reasons. It has plenty of useful features such as syntax coloring, line numbering, easy search and many others. 3. However, at present, most operating systems offer vi support through its. However, mastering vi is an important skill for any self-respecting system administrator to learn, as vi is included on nearly every Linux distribution, every BSD system, and every UNIX system in existance. Pronounced (vee-aye), vi stands for visual instrument. It’s at the core of some of the biggest industries and businesses in the world—from knowledge-sharing websites like Wikipedia to the New York Stock Exchange to mobile devices running Android (which is a specific-use. Package is a bundle of one or more Python modules that can be shared, downloaded and installed. Press Esc to make sure Vim/Vi is in normal mode. Some WSL Linux distributions are lacking libraries that are required by the VS Code server to start up. 8. Almost all Linux distributions, even older versions, come with the Vim editor installed. You can think of the / directory as being similar to the C: directory on Windows -- but this isn't strictly true, as Linux doesn't have drive letters. Red Hat® Enterprise Linux® is a fully supported production-grade operating system (OS) available on premises and in the cloud–and it’s a direct migration path for CentOS Linux users. View at Kali. 3 JetPatch: Working for You Behind the Scenes. This distro is heavily inspired by macOS and its design principle. 1 was available for Alpha, AMD64, PPC, PPC64, SPARC, X86, IA64 and SPARC32. Many of them his its own position right now at your Linux distribution. It is very small. Select a VI from the Project Files window and click the right arrow button to always include the VI in the LLB build. Netrunner comes in two different flavors: A standard release and a rolling release. Tools like top/htop make resource monitoring easier while you can use the Linux df command for monitoring the filesystem. Learn the. Shell is an interface between a user and OS to access to an operating system's services. Changes you make. 4. 1. The name of the distribution means "humanity towards others". 6. Most user-friendly Linux distros – Linux Mint, Elementary OS, and Zorin OS. With more or less effort, every Linux distribution can be tuned to perform some server functions. Use tab to navigate between username and password, or use the primary click of the mouse. You should take some time to learn it: How to Use the vi Editor. 2 Answers. Frederic Lardinois @fredericl / 4 months. nano, vi, jed commands. 01) was released on September 15, 1993, and its first stable version (1. Vi editor is a powerful and widely used text editor in UNIX and Linux operating system. Virtual instrument (disambiguation), a program that implements functions of an instrument by computer, sensors and actuators. tiny because that's what we ship) could be the only interactive editor. However, the free version has limited security. Text editor functions in two modes: 1) Command mode and 2) Insert mode. org. Vi stands for Visual. Using the DistroWatch database, another inspired developer has created a series of scripts which assembles a family tree of Linux distributions, showing the life spans and relationships between projects. It is maintained and funded by Offensive Security Ltd. 3. While other distributions, such as Arch Linux and Debian, will continue to be popular among more. The editor has several commands for moving around within your file. On macOS, you can install SSHFS using. Another screenshot of my current best Linux distro = Pop!_OS + Pop Shell. JS VI Text Editor. For other The premier text editor for Linux and UNIX is a program called vi. The text editor highlights the first instance of the pattern after the cursor. vi is installed by default on almost all Linux (and other Unix) systems for many decades. However, at present, most operating systems offer vi support through its clone as Vim (Vi IMproved): ls -l $ ( which vi) lrwxr-xr-x 1 root wheel 3 Jan 9 05:03 /usr/bin/vi -> vim. By default, Vim launches in command mode, allowing you to move around and edit the file. Linux and most other UNIX-like systems) there are two clipboards which are independent of each other:. For some reason Sun still defaults to the flakey csh c-shell. page describes it as a utility to download files from the Web using the HTTP, HTTPS, and FTP protocols. U – Undo all changes to the entire line. log (P) for all the probabilities corresponding to actions '1', and equal to torch. This distro uses their Plasma desktop environment that is used by default in some other beautiful Linux distros. To save and exit a file in vi editor, press the Esc key with following Colon (:) to come back into escape mode and then use the following commands: q – Exit the file. 3. Terminal: is an application that is used to access the Linux shell. 29 MB size: Other Linux distro images like Ubuntu, Debian, and Fedora are many, many times larger than Alpine. The Debian Project was created by Ian Murdock in 1993, initially under the sponsorship of the Free Software Foundation's GNU project. It is installed in every Unix system. 4. Fedora. It is compatible with Red Hat’s package management system, yum. It is available in all Linux Distributions. Linux kernel is the core part of the Linux operating system. Zorin OS is as functional as it is beautiful. As with most software, it takes time for the latest versions to become available in official. u: undo; Save:w: save:wq or :ZZ:. Escape mode. The first thing we must do is install Samba. Both Linux distributions have a greater impact on the operating system world. Crontab in Linux. 5. It makes those who've never used Linux feel perfectly at home, all the while showing them just how elegant a desktop operating system can be. As you can probably guess, this is the. vi is very powerful, but also somewhat cumbersome and challening for a new user to learn. 2 Ubuntu. Stallman's GNU emacs editor, like vi, is included with Ubuntu and nearly every other Linux distribution. It is stable software with a high level of security and various panel options. NixOS. However, vi is one of the only editors that is included in just about every Linux distribution as well as other variants of Unix: the fact that vi is ubiquitous merits a basic underst anding of this text editor. It has different SPINS but its main download uses the following: Bootloader - Systemd. Install. This guide highlights 11 Linux distributions and aims to shed light on who their targeted users are. Shell is a program that functions as an interface between system and user. In Insert mode, you can enter text, use the. Today, Debian's developers think of it as a direct descendent of the GNU project. It really can be that simple. As for the desktop environment, that looks like a tweaked version of Gnome 2 (note: old and surpassed version of Gnome, Gnome 3 replaced it completely). It can also convert a hex dump back to its original binary form. . It is user-friendly with an. Additionally, it includes other information such as the compiler used. Unlike Nano, an easy-to-use terminal text editor, Vi doesn't hold your hand and provide a list of keyboard shortcuts on the screen. Because 'bash' is 100% 'sh/ksh' compatable and 'ksh' is the POSIX shell. Linux users in an enterprise data center willingly pay for the best maintenance and support with the best Linux distros. It has a Windows-like graphical user interface and many programs similar to those found in Windows. The syntax for the command needed is: > kernel-install add <kernel-version> <kernel-image>. Vim is a great option for doing this, or probably the best out there! Because Vim is pre-installed in almost every Linux distribution. Vi is a powerful text editor included with most Linux systems, even embedded ones. CentOS, short for the Community Enterprise Operating System, is a free and open-source platform derived from the sources of Red Hat Enterprise Linux (RHEL). Without further ado, here is a list of the top Linux distros released in 2022. It works by matching each packet that crosses the networking interface against a set of rules to decide what to do. Vi is the universal editor of Linux. The Linux kernel has been under active development since. Both of these commands will also move the cursor to the new. For example,The distribution Ubuntu is one of the most popular Linux -based operating systems developed by canonical. If you prefer to have them in file format, add a redirect after the command:To enable Syntax Highlighting feature in VI editor, open the file called /etc/profile. Basically, a configuration file is set up with a laundry-list of options, and this file subsequently determines exactly which blocks of source-code are or are not included in "the Linux kernel" for. Documentation. Make sure that distributions are stored on your system drive: On Windows 10 open Settings -> System -> Storage -> More Storage Settings: Change where new content is saved. 04 Jammy Jellyfish) and October (22. A wide range of free and open-source packages can be found in this collaborative Linux distribution. It is the most commonly used. u – Undo last change. Its not as new as Arch, but not as old as Debian. Select Destinations under the category list on the left of the source distribution properties window. While discussing IPTables, we must understand 3 terms: Tables, Chains, and Rules. GNU projects includes a lot of things actually, like the Bash shell, GNU C Compiler, GRUB boot loader, GTK+, Gzip, Nano and a lot of other software. If you are using Debian or Ubuntu Linux, type the following apt-get command / apt command to install GNU c/c++ compiler: $ sudo apt-get update. Installation turned out to be an absolute snooze. and so on. In contrast, the sudo command enables users to run certain commands with increased privileges without logging in as the root user. exrc # chattr +i /home/user/. Vi is a screen editor for Linux, Unix and other Unix-like operating systems. It is a vital component of every Linux distribution, providing a powerful and flexible way to control and manage the system. Ubuntu is widely regarded as one of the best Linux distros for VMs. Originally developed by Linus Torvalds, the Linux kernel is the heart of a Linux distro. You can add additional libraries into your Linux distribution by using its package manager. Zorin. Debian. After not making it to the list of Top Linux distributions, we can say that Zorin rose from the ashes this year. Given its roots in RHEL, CentOS mirrors the robustness. You can even base this distribution on Ubuntu and call it Noobuntu. Remember to update the log’s path to the correct one for your distribution. u: undo; Save:w: save:wq or :ZZ:. With thousands of free Linux applications, it's easy to lose track of what you once installed but no longer use. Note that this does not mean that the full name of the text editor "vi" is still "visual" or, even, that "vi" currently stands for "visual" - the name of the editor is.