linux - mount (8)
ibg.colorado.edu › ~lessem › psyc5112The -o remount may not be able to change mount parameters (all ext2fs parameters, except sb, are changeable with a remount, for example, but you can't change gid or umask for the dosfs). HISTORY A mount command appeared in Version 6 AT&T UNIX. AUTHORS AND CONTRIBUTORS The Linux mount command has a long and continuing history. Major releases are noted below, with the name of the pri- mary modifier noted: 0.97.3: Doug Quale (quale@saavik.cs.wisc.edu).
Linux mount and umount information and examples
www.computerhope.com › unix › umountNov 06, 2021 · The mount options can be changed by a separate remount command, for example: mount --bind olddir newdir mount -o remount,ro newdir. Note that behavior of the remount operation depends on the /etc/mtab file. The first command stores the 'bind' flag to the /etc/mtab file and the second command reads the flag from the file.