NEWGRP(1) NEWGRP(1) (NAME) newgrp - (SYNOPSIS) newgrp [group [command]] newgrp [-c command] [group] (DESCRIPTION) newgrp login(1). (GID) . GID GID . . (OPTIONS) -c, --command=command command -c. -h, --help . -V, --version . (FILES) /etc/group, /etc/passwd (AUTHORS) Michael Haardt. Peter Orbaek . . (SEE ALSO) login(1), group(5) (REPORTING BUGS) . . (AVAILABILITY) newgrp util-linux . . util-linux 2.42.3 2026-09-02 NEWGRP(1)