SG_PREVENT(8) (NAME) sg_prevent - SCSI PREVENT ALLOW MEDIUM REMOVAL (SYNOPSIS) sg_prevent [--allow] [--help] [--prevent=PC] [--verbose] [--version] DEVICE (DESCRIPTION) SCSI PREVENT ALLOW MEDIUM REMOVAL DEVICE . . SCSI START STOP UNIT ( sg_start ) (Eject) . CD/DVD . << >> (prevent codes) ( SBC-3 SSC-3) CD/DVD ( MMC-5) . MMC-5 . (OPTIONS) . -a, --allow . --prevent=2 . --prevent=PC ( --prevent=PC). -h, --help . -p, --prevent=PC PC . : 0 1 () 2 3 . <<>> () 3 () . << >> ( 2) ( LU ) ( Persistent Reserve Out SPC-3 ) . -v, --verbose ( ). -V, --version . (EXIT STATUS) sg_prevent 0 . sg3_utils(8) . (AUTHORS) Douglas Gilbert. (REPORTING BUGS) . (COPYRIGHT) (C) 2004-2012 Douglas Gilbert BSD-2-Clause . . (SEE ALSO) sg_start(sg3_utils), sg_persist(sg3_utils) sg3_utils-1.35 2012 SG_PREVENT(8)