root - sys sys
root/sys - sys sys
root/sys/src - sys sys
root/sys/src/cmd - sys sys
root/sys/src/cmd/rc - sys sys
root/sys/src/cmd/rc/history.c - quanstro sys
root/sys/src/cmd/rc/mkfile - sys sys
root/sys/src/cmd/rc/pcmd.c - sys sys
root/sys/src/cmd/rc/syn.y - sys sys