Linux Commands Helper

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Category 4: Disk Management Commands

The df command displays the amount of disk space used and available on filesystems.

The fdisk command is used to create, delete, and manage partitions on a hard disk.

The lsblk command displays information about block devices in a tree-like format.

The vgextend command adds physical volumes to an existing volume group.

The hdparm command is used to view and set hardware parameters of hard drives.

The pvcreate command prepares a physical volume for use by LVM.

The lvcreate command creates a logical volume within a volume group.

The testdisk command helps recover lost partitions and repair disks.

The du command is used to estimate file space usage.

The blkid command is used to locate/print block device attributes.

The mkfs command is used to build a Linux file system.

The fsck command is used to check and repair Linux file systems.

The mount command is used to attach a filesystem to a specified directory in the Linux directory tree.

The umount command is used to unmount file systems.

The pvcreate command prepares a physical volume for use by LVM.

The lvextend command extends the size of a logical volume.

The vgcreate command creates a new volume group.

The vgextend command adds physical volumes to an existing volume group.