The manual page and help for the zip linux command. Zip is a compression and file compression program for Unix, VMS, MSDOS, OS / 2, Windows NT, Minix, Atari and Macintosh. It is similar to the combination of tar (1) and compress (1) UNIX commands and is compatible with PKZIP (Phil Katz's ZIP program for MSDOS).

The manual page and help for the du linux command. The du command displays the disk occupation of each of its arguments or, if the argument is a directory, the disk occupation of the subdirectories. By default, the area is expressed in 1K units, unless a value is specified for the environment variable POSIXLY_CORRECT. 512 byte blocks are then counted as a unit.

The manual page and help for the df linux command. Df displays the amount of disk space available on the file systems that contain the files you specify in your arguments. Specifies the free space of all mounted filesystems without an argument ...

The manual page and help for the joe command. JOE is a powerful, screen-oriented ASCII editor. Its user interface is similar to many user-friendly PC word processors. Users of Micro-Pro's WordStar or Borland's "Turbo" languages ​​will be cozy. However, JOE is a distinctive UNIX screen-oriented editor, and is mainly for editing programs and texts.

Manual page and help for vi command. Vim is a word processor that is upward compatible with Vi. Can be used to edit all types of plain text. Particularly useful when editing programs.

The manual page and help for the cat command. The cat program writes any file specified as an argument to standard output. If no filename is specified, or the filename specified is '-', reads the standard input.

The manual page and help for the echo command. Echo prints all specified strings to the standard output, separated by spaces and a new string at the end, unless the -n option was specified. Because most shells contain a built-in command with the same name, if you use the same command, the functionality may be different from that described here.

The manual page and help for the locate command. The locate command searches the specified file name database (s) and prints the file names, which are aligned to the sample (s). Patterns can also contain shell-style special characters (metacharacters).

Manual page and help for the mv command. If the last argument specifies a valid directory, the mv command moves all other specified files with the same name to the specified directory. Otherwise, if only two files are specified, the first is copied to the second.

Manual page and help for the cp command. The command copies files (or, optionally, directories). It can be used to copy a single file to a specified location, or even an infinite number of files in a destination directory.