Plan 9 from Bell Labs’s /usr/web/sources/plan9/acme/mkfile
</$objtype/mkfile none:VQ: echo mk all, install, clean, nuke, installall, update all install clean nuke installall update:V: @{cd bin/source; mk $target} @{cd mail/src; mk $target} @{cd news/src; mk $target} @{cd wiki/src; mk $target}