Manual page and help for the replace Linux command. The replace command replaces strings in the specified files or in the content received from standard input.

The rar Linux command manual page and help. The rar command packs files into a compressed archive.

The manual page and help for the unrar Linux command. The unrar command extracts files from rar archives.

The unexpand Linux command manual page and help. The unexpand command is a tool for converting space characters to tab characters.

manual page and help for the uncompress Linux command. The uncompress command unpacks compressed files. The command is part of the gzip package and is not to be confused with the uncompress.real command.

Manual page and help for the uncompress.real Linux command. The uncompress.real command unpacks the specified files - previously compressed with the compress command, with the extension .Z and beginning with a special encoding. The compress and its counterpart uncompres.real commands use an adaptive Lempel-Ziv compression algorithm.
Note that the program normally installed as uncompress is installed as uncompress.real on Debian systems to avoid conflicts with the more commonly used uncompress program of the same name, which is otherwise part of the gzip package.

Manual page and help for the compress Linux command. The compress command compresses the specified files using adaptive Lempel-Ziv encoding. Whenever possible, the program replaces files with a .Z extension when compressing, while keeping the same ownership modes, access and modification times. On Debian systems, the command is not installed by default. To use it, you need to install the ncompress package.

The manual page and help for the gunzip Linux command. The gunzip command unpacks files packed by gzip, zip, compress, compress -H or pack programs. Input format recognition is automatic. When using the first two formats, gunzip checks the 32-bit CRC.

The manual page and help for the git am Linux command. The git am command splits messages in the mailbox into log messages, author data, and patches and applies them to the current software branch.

The manual page for the jk_chrootsh Linux command. jk_chrootsh is a shell that places the user in a changed root directory structure.