The mount command loads a file system to a specified directory so that it can be accessible to users and applications. You must specify the device to mount as well as the desired mount point.
Syntax
The syntax of the mount command is:
# mount [options] {device name} {mount point}
mount Options
You can specify various mount options for a file system. These options are typically included in the fstab file rather than as command-line arguments.
| Option | Used To |
|---|---|
| auto | Specify that the device has to be mounted automatically. |
| noauto | Specify that the device should not be mounted automatically |
| nouser | Specify that only the root user can mount a device or a file system. |
| user | Specify that all users can mount a device or a file system. |
| exec | Allow binaries in a file system to be executed. |
| noexec | Prevent binaries in a file system from being executed. |
| ro | Mount a file system as read-only. |
| rw | Mount a file system with read and write permissions. |
| sync | Specify that input and output operations in a file system should be done synchronously. |
| async | Specify that input and output operations in a file system should be done asynchronously. |
Mount Command Examples
1. To mount a file system:
# mount /dev/sda /support
2. To specify the file system type:
# mount -t nfs 192.168.100.22:/home /home
3. To mount all the file systems from “/etc/fstab”:
# mount -a
4. To do the fake mounting:
# mount -f /dev/sda /support # mount --fake /dev/sda /support
5. To add the labels to the mount points;
# mount -l mymount /support *****
6. To mount without writting into “/etc/mnttab”:
# mount -n /dev/sda /support # mount --no-mtab /dev/sda /support
7. To avoid canonicalize paths:
# mount --no-canonicalize /dev/sdb /support
8. To ignore ignore mount options not supported by file system type:
# mount -s /dev/sdb /support
9. To mount a file system as read only:
# mount -r /dev/sdb /support # mount --read-only /dev/sdb /support
10. To Mount the filesystem read/write:
# mount -w /dev/sdb /support # mount --rw /dev/sdb /support
11. To mount the file system of specified label:
# mount -L mymount
12. To mount the partition that has the specified uuid:
# mount -U uuid
13. To mount the file system with specified options:
# mount -o noatime,nouser /dev/sdb /support # mount --options noatime,nouser /dev/sdb /support
14. To get the help:
# mount -h
15. To get the version info:
# mount -V