[root@localhost samba]# ps ax | grep smb
 7246 ?        Ss     0:00 /usr/sbin/smbd
 7249 ?        S      0:00 /usr/sbin/smbd
 7250 ?        S      0:00 /usr/sbin/smbd
 8059 ?        S      0:00 /usr/sbin/smbd
18348 pts/0    S+     0:00 grep --color smb
[root@localhost samba]# ps ax | grep nmb
 7166 ?        Ss     0:00 /usr/sbin/nmbd
18374 pts/0    S+     0:00 grep --color nmb
[root@localhost samba]# netstat -anlp | grep LISTEN | grep 137
unix  2      [ ACC ]     STREAM     LISTENING     27137    7214/sddm            /tmp/sddm-auth7e4991ed-a6b6-4a97-adf7-22bd956b220d
unix  2      [ ACC ]     STREAM     LISTENING     30137    8514/master          private/trace
[root@localhost samba]# netstat -anlp | grep LISTEN | grep 138
[root@localhost samba]# netstat -anlp | grep LISTEN | grep 139
tcp        0      0 0.0.0.0:139             0.0.0.0:*               LISTEN      7246/smbd
tcp6       0      0 :::139                  :::*                    LISTEN      7246/smbd