Hi! ----
I'm trying to create a Cygwin FIFO which can only be read and written by admins: ---- snip ---- # as admin mkfifo system_cmd_fifo chgrp 544 system_cmd_fifo chmod a-rwx,g+rw system_cmd_fifo cat <system_cmd_fifo ---- snip ---- ... but the "cat <system_cmd_fifo" returns a "Permission denied" error... Why does this happen - because Group "544" ("Administratoren") is not a user SID ? ---- Bye, Roland -- __ . . __ (o.\ \/ /.o) roland.ma...@nrubsig.org \__\/\/__/ MPEG specialist, C&&JAVA&&Sun&&Unix programmer /O /==\ O\ TEL +49 641 3992797 (;O/ \/ \O;) -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple