false(C) 19 June 1992 false(C) Name false - return with a non-zero exit value Description false does nothing except return with a non-zero exit value. true(C), false's counterpart, does nothing except return with a zero exit value. false is typically used in shell procedures such as: until false do command done See also sh(C), true(C) Diagnostics false is any non-zero value. Standards conformance false is conformant with: AT&T SVID Issue 2; and X/Open Portability Guide, Issue 3, 1989.