/sys/src/cmd/crop.c crop.c /sys/man/1/crop crop /sys/src/cmd/diff/main.c main.c /sys/man/1/diff diff /sys/src/cmd/aux/msexceltables.c msexceltables.c /sys/man/1/doc2txt doc2txt /sys/src/cmd/du.c du.c /sys/man/1/du du /sys/man/1/eqn eqn /sys/src/cmd/dial/expect.c expect.c /sys/man/1/expect expect