Part of the [TclX] package.

'''[id] process'''
    :   Return the process ID of the current process (also see [pid]).
'''[id] process parent'''
    :   Return the process  ID  of  the  parent  of  the  current process.
'''[id] process group'''
    :   Return the process group ID of the current process.
'''[id] process group set'''
    :   Set  the  process  group ID of the current process to its process ID.

<<categories>> Command | TclX