Korn Shell. Unix and Linux Programming Manual, Third Edition
Korn Shell: Unix and Linux Programming Manual, Third Edition, The
By Anatole Olczak
Table of Contents
Chapter 9. Miscellaneous Commands
The true Command
The true command does one thing: return a zero exit status. It is often used to generate infinite loops for argument-processing. In some versions of the Korn shell, true is a preset alias ":". It also returns a zero exit status.