true(C)

true -- return with a zero exit value

Syntax

true

Description

true does nothing except return with a zero exit value. false(C), true's counterpart, does nothing except return with a nonzero exit value. true is typically used in shell procedures such as: 
   while true


   do


   	command


   done

Exit values

true always has exit status zero.

See also

false(C), sh(C)

Standards conformance

true is conformant with:

ISO/IEC DIS 9945-2:1992, Information technology - Portable Operating System Interface (POSIX) - Part 2: Shell and Utilities (IEEE Std 1003.2-1992);
AT&T SVID Issue 2;
X/Open CAE Specification, Commands and Utilities, Issue 4, 1992.

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SCO OpenServer Release 6.0.0 -- 03 June 2005