ref: fe3430ea998a3a494fa22ed574f97834cff38f7f
dir: /sys/src/9/sgi/bootfs.proto/
$objtype bin awk auth secstore aux kbdfs bind cat dd echo grep ip ipconfig ls mkdir mntgen mount mv ndb dnsgetip ps rc rm sed sleep srv test unmount xd rc lib rcmain net.rc 555 sys sys ../boot/net.rc bin bootrc 555 sys sys ../boot/bootrc tmp