Test (Unix)

test
Other names[
Developer(s)Various open-source and commercial developers
Written inC
Operating systemUnix, Unix-like, Plan 9, IBM i
PlatformCross-platform
TypeCommand
Licensecoreutils: GPLv3+
Plan 9: MIT License

test is a command-line utility found in Unix, Plan 9, and Unix-like operating systems that evaluates conditional expressions. test was turned into a shell builtin command in 1981 with UNIX System III and at the same time made available under the alternate name [.[1]

  1. ^ http://www.in-ulm.de/~mascheck/bourne/#system3 Bourne Shell changes with System III