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Because of its slimness, Ubuntu decided to adopt Dash as the default /bin/sh [6] [7] in 2006. The reason for using Dash is faster shell script execution, [ 8 ] especially during startup of the operating system, compared to previous versions of Debian and Ubuntu that used Bash for this purpose, although Bash is still the default login shell for ...
Debian Almquist shell (dash): a modern replacement for ash in Debian and Ubuntu; Bourne-Again shell (bash): written as part of the GNU Project to provide a superset of Bourne Shell functionality. This shell can be found installed and is the default interactive shell for users on most Linux systems.
Ubuntu adopts dash as its default shell. 2008 () POSIX-2008 is released by the IEEE. "This standard defines a standard source level interface to the shell and utility functionality required by application programs, including shell scripts." [48] 2009 () February 20, 2009 (): Bash 4.0 is released. [53] Its license is GPL-3.0-or-later.
The shells bash, zsh and PowerShell offer this as a specific feature. [69] [70] Shells which do not offer this as a specific feature may still be able to turn off echoing through some other means. Shells executing on a Unix/Linux operating system can use the stty external command to switch off/on echoing of input characters. [71]
The Bourne shell (sh) is a shell command-line interpreter for computer operating systems.It first appeared on Version 7 Unix, as its default shell. Unix-like systems continue to have /bin/sh—which will be the Bourne shell, or a symbolic link or hard link to a compatible shell—even when other shells are used by most users.
It switched from Dash to Bash, and initramfs to initrd, allowing for a very fast boot time of only 4 seconds when starting LXDE with a CD in VirtualBox. The default session was LXDE/PCManFM and IceWM/Rox Filer was an option. Wi-Fi connections could be configured with wicd. [17] [18] [19]
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.
Dash, searching applications in Ubuntu 24.04. Dash is a desktop search utility with preview ability. It enables searching for applications and files. Dash supports search plug-ins, known as Scopes (formerly Lenses).