Zsh is a unix command interpreter (shell) usable as an interactive login shell and as a shell script command processor. of the standard shells, zsh most closely resembles ksh but includes many enhancements. zsh has command-line editing, built-in spelling correction, programmable command completion, shell functions (with autoloading), a history mechanism, and a host of other features.

this package contains headers and scripts necessary to compile third-party modules.