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grep is a command-line utility for searching plain-text data sets for lines matching a regular expression and by default reporting matching lines on standard output. tree is a command-line utility that recursively lists files found in a directory tree, indenting the filenames according to their position in the file hierarchy.
Change the file ownership PDP-7 UNIX cksum: Filesystem Mandatory Write file checksums and sizes 4.4BSD cmp: Filesystem Mandatory Compare two files; see also diff Version 1 AT&T UNIX comm: Text processing Mandatory Select or reject lines common to two files Version 4 AT&T UNIX command: Shell programming Mandatory Execute a simple command ...
locate is a Unix utility which serves to find files on filesystems. It searches through a prebuilt database of files generated by the updatedb command or by a daemon and compressed using incremental encoding. It operates significantly faster than find, but requires regular updating of the database.
In computing, tree is a recursive directory listing command or program that produces a depth-indented listing of files. Originating in PC- and MS-DOS , it is found in Digital Research FlexOS , [ 1 ] IBM / Toshiba 4690 OS , [ 2 ] PTS-DOS , [ 3 ] FreeDOS , [ 4 ] IBM OS/2 , [ 5 ] Microsoft Windows , [ 6 ] and ReactOS .
Move to beginning of line Home: Home: Ctrl+A. or Home. Move to end of line End: End: Ctrl+E. or End. Reverse search of history F8: F8: Ctrl+R: Pause execution of the current job Ctrl+Z: Insert the next character typed verbatim Ctrl+V: Autocomplete command/file name Tab ↹ (enabled by default in Windows XP and later) Tab ↹: Tab ↹ (usually ...
Some commands, such as echo, false, kill, printf, test or true, depending on your system and on your locally installed version of bash, can refer to either a shell built-in or a system binary executable file. When one of these command name collisions occurs, bash will by default execute a given command line using the shell built-in. Specifying ...
Svetlana Dali, the woman accused of stowing away on a flight from New York to Paris, was arrested again, according to the FBI.
The following line provides the main function of the script. The ls -al command lists the files and directories that are in the directory from which the script is being run. The ls command attributes could be changed to reflect the needs of the user.