mount is a command to do or mount work which embeds a disk device in the directory of Linux and makes it usable.
Today, the disk device ranges from CD, DVD, Blue-ray Disc, external hard disk, USB memory and so on. Disk devices are called file systems on Linux. All of them can be set to be usable with the mount command.
Basic of “mount”
The way to check the current mounting status is easy as follows.
mount
[vagrant@localhost tests]$ mount /dev/mapper/VolGroup-lv_root on / type ext4 (rw) proc on /proc type proc (rw) sysfs on /sys type sysfs (rw) devpts on /dev/pts type devpts (rw,gid=5,mode=620) tmpfs on /dev/shm type tmpfs (rw) /dev/sda1 on /boot type ext4 (rw) none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw) vagrant on /vagrant type vboxsf (uid=500,gid=500,rw)
The current mounting status is displayed. Information on where called a mount point is located, the type of the file system whether other read / write is possible, and the like are displayed.
-r option: read-only
The -r option is an option to mount read-only and the format is as follows.
$mount -r -t ${type} ${device} ${mount directory}
The command to mount the device /dev/cdrom read-only on the mount point/media/cd is as follows.
$ mount -r -t iso9660 /dev/cdrom /media/cd
mount -r /dev/cdrom /media/cdrom
