ممنون از جواب دهی سریعتون ولی وقتی از دستور بالا استفاده میکنم پیغامهای زیر میاد باید چکار کنم
ubuntu@ubuntu:~$ sudo testdisk
sudo: testdisk: command not found
ubuntu@ubuntu:~$ sudo su
root@ubuntu:/home/ubuntu# testdisk
The program 'testdisk' is currently not installed. You can install it by typing:
apt-get install testdisk
You will have to enable the component called 'universe'
root@ubuntu:/home/ubuntu# apt-get install testdisk
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package testdisk
root@ubuntu:/home/ubuntu# testdisk
The program 'testdisk' is currently not installed. You can install it by typing:
apt-get install testdisk
You will have to enable the component called 'universe'
این خروجی رو هم از دستور زیر گرفتم حالا باید چکار کنم
root@ubuntu:/home/ubuntu# fdisk -l
Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disk identifier: 0x0000b528
Device Boot Start End Blocks Id System
/dev/sda1 2048 1940944895 970471424 83 Linux
/dev/sda2 1940946942 1953523711 6288385 5 Extended
Partition 2 does not start on physical sector boundary.
/dev/sda5 1940946944 1953523711 6288384 82 Linux swap / Solaris
Disk /dev/sdb: 8076 MB, 8076132352 bytes
255 heads, 63 sectors/track, 981 cylinders, total 15773696 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x04dd5721
Device Boot Start End Blocks Id System