. ps
ps . , , ps . , , . , ps 3, 4.
3. , ps
| USER | |
| PID | |
| %CPU | |
| %MEM | |
| TTY | , |
| STAT | (R , S , N , W ) |
| START | |
| TIME | |
| COMMAND |
4. ps
| -a | |
| -l | |
| -r | |
| -u | |
| -x |
ps. , ps
# ps
PID TTY TIME CMD
559 tty1 00:00:01 login
560 tty1 00:00:01 bash
583 tty1 00:00:00 ps
:
#ps - r
PID TTY STAT TIME COMMAND
594 tty1 R 0:00 ps -r
, :
#ps - ruax
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 595 0.0 0.5 2304 660 tty1 R 16:14 0:00 ps -ruax
, , , more (. 2.2)
,
, w.
who, , :
# who
root console May 19 07:00
kiv tty02 May 19 08:12
sam tty03 May 19 09:35
cyr ttys7 May 19 12:55
, ; .
who , .
-u ( (.) , , old );
|
|
|
-H .
5. who
| USER | |
| LINE | |
| LOGIN-TIME | |
| IDLE | |
| FROM | - |
at batch
Linux . , , . at, , ( ) . batch at, , , .
