SUPPORTED ATTRIBUTES
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uid              UID of process
gid              GID of process
pid              process ID
ppid             parent process ID
pgrp             process group ID
pri              priority of process
sess             pointer to session
leader           pid of session leader
time             cpu time of process
wchan            address of current system call
fname            command name    
state            state of process
started          time/day process started
ttydev           path of process' tty
ttynum           tty number of process
cmndline         command line of process