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Posts Made By:
shameera.shashi
Forum:
Shell Programming and Scripting
07-30-2008
8
what does echo $$, $? $# mean
215,410
Posted By
era
The manual page for your shell documents these. ...
The manual page for your shell documents these.
$$ is the PID of the current process.
$? is the return code of the last executed command.
$# is the number of arguments in $*
$* is the...
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