return with a non-zero exit value
false does nothing except return with a non-zero exit
false's counterpart, does nothing except return with a
zero exit value. false is typically used in shell
procedures such as:
false returns any non-zero value.
false is conformant with:
ISO/IEC DIS 99452:1992, Information technology Portable Operating System Interface (POSIX) Part 2: Shell and Utilities (IEEE Std 1003.21992);
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