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Top Forums UNIX for Advanced & Expert Users unable to understand the output of TRUSS command Post 302930271 by achenle on Thursday 1st of January 2015 12:19:54 PM
Old 01-01-2015
When you run "ulimit" from the command line, you're normally running a shell built-in, and thus showing or changing the limits of the running shell.

When you run "ulimit" under truss, you're running a separate process - usually "/usr/bin/ulimit" - but your PATH envval can change that - and you're displaying or modifying the limits of the subprocess. Those changes are lost when the subprocess exits.
 

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