ref: b38911cc5890d121e16621a2d0baf6c70700b912
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