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The current Linux manual pages for su define it as "substitute user", [9] making the correct meaning of sudo "substitute user, do", because sudo can run a command as other users as well. [10] [11] Unlike the similar command su, users must, by default, supply their own password for authentication, rather than the password of the target user.
Merges two sorted text files based on the presence of a common field Version 7 AT&T UNIX kill: Process management Mandatory Terminate or signal processes Version 4 AT&T UNIX lex: C programming Optional (CD) Generate programs for lexical tasks: Version 7 AT&T UNIX link: Filesystem Optional (XSI) Create a hard link to a file Version 1 AT&T UNIX ...
A shell script (or job) can report progress of long running tasks to the interactive user. Unix/Linux systems may offer other tools support using progress indicators from scripts or as standalone-commands, such as the program "pv". [52] These are not integrated features of the shells, however.
On March 5, 2004, LinuxQuestions.org set up a wiki aimed at building the largest online Linux knowledge base. The software used for this task is MediaWiki. [3] LQ also has a section where one can download CD/DVD ISO images of Linux installation and Live CDs. [4] Other than the download section and forums LQ also has the following sections ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 19 December 2024. Family of Unix-like operating systems This article is about the family of operating systems. For the kernel, see Linux kernel. For other uses, see Linux (disambiguation). Operating system Linux Tux the penguin, the mascot of Linux Developer Community contributors, Linus Torvalds Written ...
On operating systems with a windowing system, such as macOS and desktop Linux distributions, some users may never use the shell directly. On Unix systems, the shell has historically been the implementation language of system startup scripts, including the program that starts a windowing system, configures networking, and many other essential ...
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This method, among others, also enables the superuser to delegate some administrative tasks to normal users, similar to the Administrators group on Microsoft Windows NT and its derivatives. A group identifier , often abbreviated to GID , is a numeric value used to represent a specific group. [ 1 ]