Ps output

UNIX for Advanced & Expert Users
1

Hi

Can you please expalin to me the output of the following command
ps -l

 F S        UID   PID  PPID  C PRI NI             ADDR   SZ            WCHAN TTY       TIME COMD
401 S          0 12021   933  0 154 20 e000000142889280  135 e0000001430eb0a8 pts/ta    0:00 telnetd
401 S          0 12026 12021  0 158 20 e000000142889b80  292 e00000010f9a4000 pts/ta    0:00 sh
401 R          0 12544 12026  2 178 20 e000000142e7fb80   57                - pts/ta    0:00 ps
2

F column - process status flags - not really used
S - process state R=running S=sleeping, etc.
UId user id
PID process id
PPID parent process id
C processor scheduling (f and l)
PRI - base priority
NI - nice value
ADDR - address in memory
SZ - number of page process has in memory
WCHAN - address of a waiting event
TTY - console device
TIME cpu time
CMD - command the process is running