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$ perl -e'print `ps -f`' UID PID PPID C STIME TTY TIME CMD eric 19557 19556 0 14:46 pts/4 00:00:00 /bin/bash eric 19860 19557 0 15:05 pts/4 00:00:00 perl -eprint `ps -f` eric 19861 19860 0 15:05 pts/4 00:00:00 ps -f