[test1280@localhost ~]$ ps -Lf 11029
UID         PID   PPID    LWP  C NLWP STIME TTY      STAT   TIME CMD
test1280  11029   9374  11029  0    4 10:58 pts/0    Sl+    0:00 ./main
test1280  11029   9374  11030  0    4 10:58 pts/0    Sl+    0:00 ./main
test1280  11029   9374  11031  0    4 10:58 pts/0    Sl+    0:00 ./main
test1280  11029   9374  11032  0    4 10:58 pts/0    Sl+    0:00 ./main