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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.
Concatenates and prints files on the standard output cksum: Checksums (IEEE Ethernet CRC-32) and count the bytes in a file. Supersedes other *sum utilities with -a option from version 9.0. comm: Compares two sorted files line by line csplit: Splits a file into sections determined by context lines cut: Removes sections from each line of files expand
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 .
This is a list of POSIX (Portable Operating System Interface) commands as specified by IEEE Std 1003.1-2024, which is part of the Single UNIX Specification (SUS). These commands can be found on Unix operating systems and most Unix-like operating systems.
Recursively list all files and directories in the specified directory and any subdirectories, in wide format, pausing after each screen of output. The directory name is enclosed in double-quotes, to prevent it from being interpreted is as two separate command-line options because it contains a whitespace character.
Lists the contents of a directory in a standardized machine-readable format. MLST RFC 3659 Provides data about exactly the object named on its command line in a standardized machine-readable format. MODE RFC 959 Sets the transfer mode (Stream, Block, or Compressed). NLST RFC 959 Returns a list of file names in a specified directory. NOOP RFC 959
In the Perl programming language, grep is the name of the built-in function that finds elements in a list that satisfy a certain property. [16] This higher-order function is typically named filter or where in other languages. The pcregrep command is an implementation of grep that uses Perl regular expression syntax. [17]
The command sends the specified lines to the standard output device. [5] It is similar to the find command. However, while the find command supports UTF-16, findstr does not. On the other hand, findstr supports regular expressions, which find does not. The findstr program was first released as part of the Windows 2000 Resource Kit under the ...