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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.
Process the command history list fg: Process management Optional (UP) Run jobs in the foreground file: Filesystem Mandatory Determine file type Version 4 AT&T UNIX find: Filesystem Mandatory Find files Version 1 AT&T UNIX fold: Text processing Mandatory Filter for folding lines 1BSD fuser: Process management Optional (XSI)
apropos — search the man page files (command names and their descriptions). find — find files; searches one or more directory trees of a file system, locates files based on some user-specified criteria and applies a user-specified action on each matched file. grep — search plain-text files for lines that match a regular expression.
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 ...
$ apropos mount free (1) - Display amount of free and used memory in the system mklost+found (8) - create a lost+found directory on a mounted Linux second extended file system mount (8) - mount a file system mountpoint (1) - see if a directory is a mountpoint ntfsmount (8) - Read/Write userspace NTFS driver. sleep (1) - delay for a specified ...
update is used to resynchronize the package index files from their sources. The lists of available packages are fetched from the location(s) specified in /etc/apt/sources.list. 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.
Foremost is designed to ignore the type of underlying filesystem and directly read and copy portions of the drive into the computer's memory. [3] It takes these portions one segment at a time, and using a process known as file carving searches this memory for a file header type that matches the ones found in Foremost's configuration file. [1]
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.