|Original author(s)||AT&T Corporation|
|Developer(s)||Various open-source and commercial developers|
|Operating system||Unix and Unix-like|
In Unix and Unix-like operating systems,
type is a command that describes how its arguments would be interpreted if used as command names.
type will display the command name's path. Possible command types are:
The command returns a non-zero exit status if command names cannot be found.
$ type test test is a shell builtin $ type cp cp is /bin/cp $ type unknown unknown not found $ type type type is a shell builtin
type command was a shell builtin for Bourne shell that was introduced in AT&T's System V Release 2 (SVR2) in 1984, and continues to be included in many other POSIX-compatible shells such as Bash. However,
type is not part of the POSIX standard. With a POSIX shell, similar behavior is retrieved with
command -V name
In the KornShell, the command
whence provides similar functionality.
The command is available as a separate package for Microsoft Windows as part of the UnxUtils collection of native Win32 ports of common GNU Unix-like utilities.
whence [...] Korn shell only. Show whether each command is a Unix command, a built-in command, a defined shell function, or an alias.