ppid
Process.ppid -> aFixnum

Returns the process id of the parent of this process. Always returns 0 on NT. Not available on all platforms.

print "I am ", Process.pid, "\n"
Process.fork { print "Dad is ", Process.ppid, "\n" }

produces:

I am 1490
Dad is 1490

setpgid
Process.setpgid( aPid, anInteger ) -> 0
Sets the process group id of aPid (0 indicates this process) to anInteger. Not available on all platforms.

setpgrp
Process.setpgrp -> 0
Equivalent to setpgid(0,0). Not available on all platforms.

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Shaalini.S
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