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 false Command
The false command returns a non-zero exit status. That's all. It is often used to generate infinite until loops. In some versions of the Korn shell, false is a preset alias let 0. In either case, it does the same thing.