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chroot is an operation on Unix and Unix-like operating systems that changes the apparent root directory for the current running process and its children.A program that is run in such a modified environment cannot name (and therefore normally cannot access) files outside the designated directory tree.
ex was eventually given a full-screen visual interface (adding to its command line oriented operation), thereby becoming the vi text editor. In recent times, ex is implemented as a personality of the vi program; most variants of vi still have an "ex mode ", which is invoked using the command ex , or from within vi for one command by typing the ...
The distribution was made for Chrome hardware including Chromebook, Chromebox, Chromebit and Chromebase. GalliumOS beta1 was released on 10 November 2015. As of 2022, the GalliumOS project has been discontinued. Their wiki advises existing GalliumOS users to migrate to another Linux OS due to security hazards.
update is used to resynchronize the package index files from their sources. The lists of available packages are fetched from the location(s) specified in /etc/apt/sources.list. For example, when using a Debian archive, this command retrieves and scans the Packages.gz files, so that information about new and updated packages is available.
ChromeOS, sometimes styled as chromeOS and formerly styled as Chrome OS, is a Linux distribution developed and designed by Google. [8] It is derived from the open-source ChromiumOS operating system and uses the Google Chrome web browser as its principal user interface.
Note that most command-line FTP clients present their own non-standard set of commands to users. For example, GET is the common user command to download a file instead of the raw command RETR . Command
ed is the standard Unix text editor. This is line number three. Started with an empty file, the a command appends text (all ed commands are single letters). The command puts ed in insert mode, inserting the characters that follow and is terminated by a single dot on a line. The two lines that are entered before the dot end up in the file buffer.
Command-line completion generally only works in interactive mode. That is, it cannot be invoked to complete partially typed commands in scripts or batch files, even if the completion is unambiguous. The name tab completion comes from the fact that command-line completion is often invoked by pressing the tab key.