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killall is a command line utility available on Unix-like systems. There are two very different implementations. The implementation supplied with genuine UNIX System V (including Solaris) and Linux sysvinit tools kills all processes that the user is able to kill, potentially shutting down the system if run by root.
The Unix program which spawns all other processes. As of 2016, for major Linux distributions, it has been replaced by systemd. [2] biod [3] Works in cooperation with the remote nfsd to handle client NFS requests. crond [1] Time-based job scheduler, runs jobs in the background. dhcpd: Dynamically configure TCP/IP information for clients. fingerd
Return the user's login name 4.4BSD lp: Text processing Mandatory Send files to a printer System V ls: Filesystem Mandatory List directory contents Version 1 AT&T UNIX m4: Misc Mandatory Macro processor PWB UNIX mailx: Misc Mandatory Process messages Version 1 AT&T UNIX make: Programming Optional (SD) Maintain, update, and regenerate groups of ...
This shell can be found installed and is the default interactive shell for users on most Linux systems. KornShell (ksh): written by David Korn based on the Bourne shell sources [8] while working at Bell Labs; Public domain Korn shell (pdksh) MirBSD Korn shell (mksh): a descendant of the OpenBSD /bin/ksh and pdksh, developed as part of MirOS BSD
Display the current working directory physical path - without symbolic link name, if any. Example: If standing in a dir /home/symlinked, that is a symlink to /home/realdir, this would show /home/realdir pwd -L: Display the current working directory logical path - with symbolic link name, if any.
On DOS, OS/2, and Windows operating systems, the %PATH% variable is specified as a list of one or more directory names separated by semicolon (;) characters. [ 5 ] The Windows system directory (typically C:\WINDOWS\system32 ) is typically the first directory in the path, followed by many (but not all) of the directories for installed software ...
In OS-9/6809 and OS-9/68000, the module directory is flat, but OS-9000 made the module directory tree-structured. The OS-9000 shell looks in one's alternative module directory for a MODPATH environment variable, analogous to the PATH variable in all versions, indicating the sequence of module directories in which to look for pre-loaded modules.
Unix abstracts the nature of this tree hierarchy entirely and in Unix and Unix-like systems the root directory is denoted by the / (slash) sign. Though the root directory is conventionally referred to as /, the directory entry itself has no name – its path is the "empty" part before the initial directory separator character (/).