Disk Management
lsblk
List information about block devices (disks, partitions).
lsblk → Displays block devices and their mount points.
fdisk
Partition table manipulator for Linux.
sudo fdisk -l → Lists all partitions on all devices.
mount [device] [mount_point]
Mount a file system to a directory.
sudo mount /dev/sda1 /mnt → Mounts /dev/sda1 to * /mnt*.
umount [mount_point]
Unmount a file system.
sudo umount /mnt → Unmounts * /mnt*.
chroot
Change the root directory for the current process.
sudo chroot /mnt → Changes root to * /mnt*.
resize2fs
Resize ext2/ext3/ext4 file systems.
sudo resize2fs /dev/sda1 → Resizes the file system on * /dev/sda1*.
fsck
File system consistency check.
sudo fsck /dev/sda1 → Checks and repairs file system on * /dev/sda1*.
swapoff
Disable swapping on devices.
sudo swapoff /dev/sda2 → Disables swapping on * /dev/sda2*.
swapon
Enable swapping on devices.
sudo swapon /dev/sda2 → Enables swapping on * /dev/sda2*.
mount -o loop [iso] [dir]
Mount an ISO file as a loop device.
sudo mount -o loop image.iso /mnt → Mounts image.iso to * /mnt*.
lsof
List open files and processes using them.
lsof → Lists all open files and the processes using them.
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