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In the lower right we can see a terminal emulator running a Unix shell, in which the user can type commands as if they were sitting at a terminal. In computing, a shell is a computer program that exposes an operating system's services to a human user or other programs. In general, operating system shells use either a command-line interface (CLI ...
Ubuntu uses GNOME Shell by default since 17.10, October 2017, after Canonical ceased development of Unity. [36] It has been available for installation in the repositories since version 11.10. [37] An alternative flavor, Ubuntu GNOME, was released alongside Ubuntu 12.10, [38] and gained official flavor status by Ubuntu 13.04. [39]
Background execution allows a shell to run a command without user interaction in the terminal, freeing the command line for additional work with the shell. POSIX shells and other Unix shells allow background execution by using the & character at the end of command. In PowerShell, the Start-Process [43] or Start-Job [44] cmdlets can be used.
When a user presses the tab key within an interactive command-shell, Bash automatically uses command line completion, since beta version 2.04, [85] to match partly typed program names, filenames and variable names. The Bash command-line completion system is very flexible and customizable, and is often packaged with functions that complete ...
The results of this effort were known as the "Mint GNOME Shell Extensions" or MGSE. Meanwhile, the MATE desktop environment had also been forked from GNOME 2. Linux Mint 12, released in November 2011, subsequently included both, thereby giving users a choice of either GNOME 3 with the MGSE or a MATE desktop that closely resembled GNOME 2.
Curses is designed to facilitate GUI-like functionality on a text-only device, such as a PC running in console mode, a hardware ANSI terminal, a Telnet or SSH client, or similar. Curses-based software is software whose user interface is implemented through the curses library, or a compatible library (such as ncurses ).
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. upgrade is used to install the newest versions of all packages currently installed on the system from the sources enumerated in /etc/apt/sources.list. Packages currently installed ...
COMMAND.COM, the original Microsoft command line processor introduced on MS-DOS as well as Windows 9x, in 32-bit versions of NT-based Windows via NTVDM; cmd.exe, successor of COMMAND.COM introduced on OS/2 and Windows NT systems, although COMMAND.COM is still available in virtual DOS machines on IA-32 versions of those operating systems also.