~# fdisk /dev/sdb
Command (m for help): d
Partition number (1-4, default 4): 4
Partition 4 has been deleted.
Command (m for help): d
Partition number (1-3, default 3):
Partition 3 has been deleted.
Command (m for help): d
Partition number (1,2, default 2): 2
Partition 2 has been deleted.
Command (m for help): d
Selected partition 1
Partition 1 has been deleted.
Command (m for help): n
Partition number (1-128, default 1):
First sector (34-1953525134, default 2048):
Last sector, +sectors or +size{K,M,G,T,P} (2048-1953525134, default 1953525134):
Created a new partition 1 of type Linux filesystem and of size 931.5 GiB.
Partition #1 contains a ntfs signature.
Do you want to remove the signature? [Y]es/[N]o: Y
The signature will be removed by a write command.
Command (m for help): n
Partition number (2-128, default 2):
First sector (34-2047): 34
Last sector, +sectors or +size{K,M,G,T,P} (34-2047, default 2047):
Created a new partition 2 of type Linux filesystem and of size 1007 KiB.
Command (m for help): n
Partition number (3-128, default 3):
No free sectors available.
Command (m for help): w
The partition table has been altered.
Calling ioctl() to re-read partition table.
Syncing disks.
# mkfs.ext4 /dev/sdb1
root@s1800:~# fdisk -l /dev/sdb
Disk /dev/sdb: 931.5 GiB, 1000204886016 bytes, 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
Disklabel type: gpt
Disk identifier: 847F7D3F-9AAB-441A-8EC0-B888DD38A649
Device Start End Sectors Size Type
/dev/sdb1 2048 1953525134 1953523087 931.5G Linux filesystem
/dev/sdb2 34 2047 2014 1007K Linux filesystem
시한폭탄 - 한성모니터 패널 깨짐, 커브드 모니터 화면 깨짐 
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