ref: 7a4e4241e80e95708bb7331dceabac2ded035396
dir: /sys/src/9/port/bootfs.proto/
$cputype bin 9660srv awk aux kbdfs bind cat cfs cryptsetup dd disk fdisk kfs prep dossrv echo cwfs64x grep ip ipconfig ls mkdir mntgen mount mv rc rm sed srv test unmount usb usbd xd rc lib rcmain local.rc 555 sys sys ../boot/local.rc tcp.rc 555 sys sys ../boot/tcp.rc bin fstype diskparts bootrc 555 sys sys ../boot/bootrc tmp