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z/OS V1R9.0 UNIX System Services Command ... - Christian Grothoff

z/OS V1R9.0 UNIX System Services Command ... - Christian Grothoff

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Related Information<br />

sh<br />

true — Return a value of 0<br />

Format<br />

Description<br />

Usage Note<br />

Localization<br />

Exit Value<br />

Portability<br />

Related Information<br />

sh<br />

true [argument ...]<br />

true simply yields an exit status of zero (success). It ignores any arguments given<br />

on the command line. This can be surprisingly useful—for example, when you are<br />

evaluating shell expressions for their side effects.<br />

true is a built-in shell command.<br />

true uses the following localization environment variables:<br />

v LANG<br />

v LC_ALL<br />

v LC_MESSAGES<br />

v NLSPATH<br />

See Appendix F for more information.<br />

Since true always succeeds, the only possible exit status is:<br />

0 Successful completion<br />

P<strong>OS</strong>IX.2, X/Open Portability Guide, <strong>UNIX</strong> systems.<br />

tso — Run a TSO/E command from the shell<br />

Format<br />

Description<br />

Options<br />

tso [–o] [–t] TSO_command<br />

tso runs a TSO/E command from the shell using the TSO/E service routine or the<br />

OMVS interface.<br />

–o Specifies that the command be issued through the OMVS interface.<br />

–t Specifies that the command be issued through the TSO/E service routine. If<br />

trap<br />

Chapter 2. Shell command descriptions 709

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