Disk Manipulation & Monitoring Commands In Linux

1) du >>>>>>>To check the utilized space size of file and folder

du -h /path_to_file

2) fdisk >>>>>> To create , delete , manage disk partition of any disk

for example see here

3) parted >>>>> disk partition manipulated tool

parted -l

parted /dev/sda unit MiB print free

4) lsblk >>>>> list the mounted disk block device with details

5) sfdisk >>>>> Advance tool of fdisk. It can list  the size of a partition, list the partitions on a device, check the partitions on a device, and - very dangerous - repartitions a device.

sfdisk -l

man sfdisk >> for detail information

6) cfdisk >>>>> graphical version of fdisk. Easy and handy tool to create delete or manage partitions.

7) iostat >>>>> Show report of Central Processing Unit (CPU) statistics and input/output statistics for devices and partitions.

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