Voir la source de Top (Unix)

== Exemple ==
En appuyant sur ''TAB + P'' les processus sont classés par utilisation du processeur décroissante :
<syntaxhighlight lang="bash">
jackpotte@tools-login:~$ top
top - 16:25:41 up 18 days, 18:51, 27 users,  load average: 0.33, 0.62, 0.47
Tasks: 338 total,   1 running, 332 sleeping,   5 stopped,   0 zombie
Cpu(s):  1.0%us,  0.7%sy,  0.0%ni, 97.9%id,  0.0%wa,  0.0%hi,  0.0%si,  0.3%st
Mem:   2051756k total,  1638272k used,   413484k free,   129108k buffers
Swap:  2097148k total,   428148k used,  1669000k free,   598568k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
23639 ganglia   20   0 79352 4448 1124 S  2.7  0.2 194:17.60 gmond
 8669 jackpott  20   0 12188 1308  824 R  0.7  0.1   0:00.28 top
 6137 petrb     20   0 58000 5044 1216 S  0.3  0.2   0:35.92 mosh-server
 8441 whym      20   0 66160  12m  996 S  0.3  0.6   4:32.70 mosh-server
 8966 liangent  20   0 57936 4512  904 S  0.3  0.2   9:56.52 mosh-server
15373 whym      20   0 66152  12m  900 S  0.3  0.6   9:38.18 mosh-server
    1 root      20   0 20228 1932 1028 S  0.0  0.1   1:20.34 init
    2 root      20   0     0    0    0 S  0.0  0.0   0:00.66 kthreadd
    3 root      20   0     0    0    0 S  0.0  0.0   4:46.56 ksoftirqd/0
    5 root      20   0     0    0    0 S  0.0  0.0   0:00.10 kworker/u:0
    6 root      RT   0     0    0    0 S  0.0  0.0   0:00.00 migration/0
    7 root      RT   0     0    0    0 S  0.0  0.0   0:08.78 watchdog/0
    8 root       0 -20     0    0    0 S  0.0  0.0   0:00.00 cpuset
    9 root       0 -20     0    0    0 S  0.0  0.0   0:00.00 khelper
   10 root      20   0     0    0    0 S  0.0  0.0   0:00.00 kdevtmpfs
...
</syntaxhighlight>