usage             120 usr/bin/cp/cp.c usage(void)
usage             112 usr/bin/head/head.c usage()
usage             169 usr/bin/kill/kill.c usage(void)
usage             110 usr/bin/mkdir/mkdir.c usage()
usage              96 usr/bin/nice/nice.c usage()
usage              84 usr/bin/printenv/printenv.c usage(void)
usage              41 usr/bin/rm/rm.c usage(void)
usage              41 usr/bin/rmdir/rmdir.c usage(void)
usage              63 usr/bin/sleep/sleep.c usage(void)
usage              83 usr/bin/touch/touch.c usage(void)
usage              50 usr/bin/uname/uname.c usage(void)
usage             288 usr/sample/tetris/tetris.c usage()
usage              42 usr/sbin/debug/debug.c usage(void)
usage             105 usr/sbin/install/install.c usage(void)
usage             110 usr/sbin/lock/lock.c usage(void)
usage              83 usr/test/shutdown/shutdown.c usage(void)