uid              UID of process
gid              GID of process
euid             effective UID
egid             effective GID
pid              process ID
ppid             parent process ID
pgrp             process group ID
priority         priority of process
flags            process flags
size             size of process in KB (data + stack)
rss              resident set size in KB
nice             nice for cpu usage
time             cpu time of process
fname            command name
cmndline         entire command line for the process
cpticks          ticks of cpu time, for pctcpu
pctcpu           (decayed) %cpu for this process
state            state of process
sess             synonym for 'sid'
sid              session id
ttynum           tty number of process (-1 if no tty)