command: parted
purpose: parted is a disk partitioning and partition resizing program
for large size hard disks
syntax: parted [options] [device [command [options...]...]]
example:
1. To choose the device to edit
# parted
(parted) select /dev/sda
2. To display all partitions
# parted
(parted) print
3. To create primary partition of 20 GB in selected hard disk
# parted
(parted) mkpart primary 100 20000
where 100 and 20000 is start and end points in mb
4. To create logical partition of 10 GB in selected hard disk
# parted
(parted) mkpart logical 20000 30500
where 20000 and 30500 is start and end points in mb
5. To create a file system on partition
# parted
(parted)mkfs
6. To resize partition from one size to other
# parted
(parted) resize 3
start? [20GB]? 20GB
end? [30GB]? 27GB
size of partition 3 is actually reduced from 10GB to 7GB.
7. To copy data from partition 2 to 3
# parted
(parted) p
p prints the partition layout
umount both source and destination partition before copy
(parted) cp 2 3
8. To remove partition
# parted
(parted) rm
partition number? 3
the partition with number 3 is deleted
9. To set units in MB, GB, TB respectively
# parted
(parted) unit MB
(parted) unit GB
(parted) unit TB
10. To create partition and filesystem together
# parted
(parted) mkpartfs logical ext4 20000 30500
logical partition size of 10 GB ext4 fs is created
20000 and 30500 is start and end points in mb
11. To exit
# parted
(parted) q
12. help and info of parted
# parted
(parted) help
13. To list all partitions layout
# parted -l
regards,
dhanasekar
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