ref: c78384333ec9f0b819ba3a1fa508b89576a6eff6
dir: /sys/src/9/sgi/bootfs.proto/
$objtype bin awk auth secstore aux kbdfs bind cat chmod dd echo grep ip ipconfig ls mkdir mntgen mount mv ndb dnsgetip ps rc rm sed sleep srv test tlsclient unmount xd rc lib rcmain net.rc 555 sys sys ../boot/net.rc bin srvtls bootrc 555 sys sys ../boot/bootrc tmp