P: send command to remote power (APC AOS 3.7.x)
R: reboot system via console
f: find function definition
fetch: a better down (cf. rsc)
gr: recursive grep(1)
mkboot: prepare disk for booting(8)
dirs: print the directory stack
pushd: push onto the directory stack
popd: pop from the directory stack
pxeof: print pxe file for system
rdb: remote kernel debugging
riostart: rio(1) startup script
saferemove: remove copies created by safeinstall
sdiff: compare files against sources