30996 pts/0    S      0:00      \_ perl -w ./us2.pl
32396 pts/0    S      0:00          \_ perl -w ./us2.pl
32451 pts/0    R      0:00          |   \_ perl -w ./us2.pl
32443 pts/0    S      0:00          \_ perl -w ./us2.pl
32450 pts/0    R      0:00              \_ perl -w ./us2.pl