Disk Commands

mount Linux Command

Mounts a filesystem (attaches a device to the directory tree).

What does mount do?

Mounts a filesystem (attaches a device to the directory tree).

mount [options] device mount_point

sudo mount /dev/sdb1 /mnt/usb

How do I mount a USB drive?

Use `sudo mount /dev/sdb1 /mnt/usb` to mount a USB drive. First create the mount point with `sudo mkdir -p /mnt/usb`.

How do I see all mounted filesystems?

Use `mount` or `mount | column -t` to see all currently mounted filesystems with their mount points.

How do I mount an ISO file?

Use `sudo mount -o loop file.iso /mnt/iso` to mount an ISO image as a loopback device.

How do I mount with read-only access?

Use `sudo mount -o ro /dev/sdb1 /mnt/usb` to mount with read-only permissions.

How do I unmount a filesystem?

Use `sudo umount /mnt/usb` or `sudo umount /dev/sdb1` to unmount a filesystem.

What is /etc/fstab?

fstab is the filesystem table file that defines which filesystems are mounted at boot. Edit it to auto-mount drives.

How do I mount all filesystems in fstab?

Use `sudo mount -a` to mount all filesystems defined in /etc/fstab that are not already mounted.

How do I mount a NFS share?

Use `sudo mount -t nfs server:/share /mnt/nfs` to mount a Network File System share.

Manipulates disk partition table (create, delete, resize partitions).

Unmounts a filesystem (detaches a mounted device from the directory tree).

Estimates file and directory space usage (disk usage).

Creates a filesystem (formats) on a disk partition.

Reports disk space usage for all mounted filesystems (human-readable with -h).

Checks and optionally repairs a filesystem for errors.