ref: 2bb0f44eba0775af5e7ce1a73d15a7abf958c13f
dir: /sys/src/9/boot/bootfs.proto/
$objtype bin awk auth secstore aux kbdfs wpa bind cat cfs chmod dd echo grep ip ipconfig ls mkdir mntgen mount mv ndb dnsgetip rc rm sed sleep srv test tlsclient unmount xd rc lib rcmain reboot.rc 555 sys sys ../boot/reboot.rc net.rc 555 sys sys ../boot/net.rc bin ethermultilink srvtls bootrc 555 sys sys ../boot/bootrc tmp sys lib kbmap + lib firmware