Plan 9 from Bell Labs’s /usr/web/sources/contrib/steve/root/sys/src/cmd/disk/health/health.proto
# disk/health - print disk health info 386 - sys sys bin - sys sys disk - sys sys health - sys sys sys - sys sys man - sys sys 8 - sys sys health - sys sys sys - sys sys src - sys sys cmd - sys sys disk - sys sys health - sys sys + - sys sys
