Use "ps" to display process status
If you run "ps" command without any options, it will only show your processes who have a controlling terminal:
# ps
PID TT STAT TIME COMMAND
854 v0 Is+ 0:00.00 /usr/libexec/getty Pc ttyv0
710 v1 Is+ 0:00.00 /usr/libexec/getty Pc ttyv1
711 v2 Is+ 0:00.00 /usr/libexec/getty Pc ttyv2
712 v3 Is+ 0:00.00 /usr/libexec/getty Pc ttyv3
713 v4 Is+ 0:00.00 /usr/libexec/getty Pc ttyv4
714 v5 Is+ 0:00.00 /usr/libexec/getty Pc ttyv5
715 v6 Is+ 0:00.00 /usr/libexec/getty Pc ttyv6
716 v7 Is+ 0:00.00 /usr/libexec/getty Pc ttyv7
847 0 Ss 0:00.04 -csh (csh)
883 0 R+ 0:00.00 ps
If you also want to see processes who don't have a controlling terminal, add "-x" option:
# ps -ax
PID TT STAT TIME COMMAND
0 - DLs 0:00.10 [kernel]
1 - ILs 0:00.05 /sbin/init --
2 - DL 0:00.05 [cam]
3 - DL 0:00.00 [mpt_recovery0]
4 - DL 0:00.00 [sctp_iterator]
5 - DL 0:00.04 [pagedaemon]
6 - DL 0:00.00 [vmdaemon]
7 - DL 0:00.00 [pagezero]
8 - DL 0:00.08 [bufdaemon]
9 - DL 0:00.01 [vnlru]
10 - DL 0:00.00 [audit]
11 - RL 50:35.75 [idle]
12 - WL 0:08.20 [intr]
13 - DL 0:00.02 [geom]
14 - DL 0:00.91 [rand_harvestq]
15 - DL 0:00.44 [usb]
16 - DL 0:00.20 [syncer]
302 - Is 0:00.01 dhclient: em0 [priv] (dhclient)
364 - Is 0:00.00 dhclient: em0 (dhclient)
379 - Is 0:00.00 /sbin/devd
524 - Ss 0:00.02 /usr/sbin/syslogd -s
652 - Is 0:00.00 /usr/sbin/sshd
655 - Ss 0:00.10 sendmail: accepting connections (sendmail)
658 - Is 0:00.00 sendmail: Queue runner@00:30:00 for /var/spool/clientmqueue (sendmail)
662 - Ss 0:00.01 /usr/sbin/cron -s
844 - Ss 0:00.06 sshd: root@pts/0 (sshd)
854 v0 Is+ 0:00.00 /usr/libexec/getty Pc ttyv0
710 v1 Is+ 0:00.00 /usr/libexec/getty Pc ttyv1
711 v2 Is+ 0:00.00 /usr/libexec/getty Pc ttyv2
712 v3 Is+ 0:00.00 /usr/libexec/getty Pc ttyv3
713 v4 Is+ 0:00.00 /usr/libexec/getty Pc ttyv4
714 v5 Is+ 0:00.00 /usr/libexec/getty Pc ttyv5
715 v6 Is+ 0:00.00 /usr/libexec/getty Pc ttyv6
716 v7 Is+ 0:00.00 /usr/libexec/getty Pc ttyv7
847 0 Ss 0:00.04 -csh (csh)
897 0 R+ 0:00.00 ps -ax
This time, there are more results whose TT columns are -.
The most used "ps" command is "ps auwwx" which displays all running processes detailed info, and this is similar to "# ps -ef" on GNU/Linux:
# ps auwwx
USER PID %CPU %MEM VSZ RSS TT STAT STARTED TIME COMMAND
root 11 99.2 0.0 0 16 - RL 5:48PM 54:14.29 [idle]
root 0 0.0 0.0 0 160 - DLs 5:48PM 0:00.10 [kernel]
root 1 0.0 0.0 9492 772 - ILs 5:48PM 0:00.05 /sbin/init --
root 2 0.0 0.0 0 32 - DL 5:48PM 0:00.05 [cam]
root 3 0.0 0.0 0 16 - DL 5:48PM 0:00.00 [mpt_recovery0]
root 4 0.0 0.0 0 16 - DL 5:48PM 0:00.00 [sctp_iterator]
root 5 0.0 0.0 0 32 - DL 5:48PM 0:00.05 [pagedaemon]
root 6 0.0 0.0 0 16 - DL 5:48PM 0:00.00 [vmdaemon]
root 7 0.0 0.0 0 16 - DL 5:48PM 0:00.00 [pagezero]
root 8 0.0 0.0 0 32 - DL 5:48PM 0:00.08 [bufdaemon]
root 9 0.0 0.0 0 16 - DL 5:48PM 0:00.01 [vnlru]
root 10 0.0 0.0 0 16 - DL 5:48PM 0:00.00 [audit]
root 12 0.0 0.0 0 208 - WL 5:48PM 0:08.78 [intr]
root 13 0.0 0.0 0 48 - DL 5:48PM 0:00.02 [geom]
root 14 0.0 0.0 0 16 - DL 5:48PM 0:00.98 [rand_harvestq]
root 15 0.0 0.0 0 160 - DL 5:48PM 0:00.47 [usb]
root 16 0.0 0.0 0 16 - DL 5:48PM 0:00.21 [syncer]
root 302 0.0 0.1 14656 2148 - Is 5:48PM 0:00.01 dhclient: em0 [priv] (dhclient)
_dhcp 364 0.0 0.1 14656 2236 - Is 5:48PM 0:00.00 dhclient: em0 (dhclient)
root 379 0.0 0.2 13628 4932 - Ss 5:48PM 0:00.00 /sbin/devd
root 524 0.0 0.1 14520 2092 - Ss 5:48PM 0:00.02 /usr/sbin/syslogd -s
root 652 0.0 0.3 61316 6564 - Is 5:48PM 0:00.00 /usr/sbin/sshd
root 655 0.0 0.3 24156 5380 - Ss 5:48PM 0:00.10 sendmail: accepting connections (sendmail)
smmsp 658 0.0 0.2 24156 5044 - Is 5:48PM 0:00.00 sendmail: Queue runner@00:30:00 for /var/spool/clientmqueue (sendmail)
root 662 0.0 0.1 16624 2212 - Is 5:48PM 0:00.01 /usr/sbin/cron -s
References:
ps -- process status;
Processes and Daemons;
Show all processes in FreeBSD.