How to determine whether a partition is mbr or gpt in linux

Judgment method: 1. Use the "fdisk -l" command. If the value of "Disk label type" in the displayed result is dos, the partition is mbr. If the value of the result is gpt, the partition is gpt; 2. Use the "parted -l" command. If the value of "Partition Table" in the displayed result is msdos, the partition is mbr. If the value of the result is gpt, the partition is gpt.

#The operating environment of this tutorial: linux7.3 system, Dell G3 computer.

How to determine whether a partition is mbr or gpt in Linux

Method 1:

fdisk -l

The example is as follows:

Method 2:

parted -l

The example is as follows:

##Use the parted command to change the disk partition format

[root@m8-9p51-duanzhengnan ~]# parted /dev/sdb
(parted)mktable
New disk label type? msdos
Warning: The existing disk label on /dev/sdb will be destroyed and all data on
this disk will be lost. Do you want to continue?
Yes/No?Yes

Use interaction-free plus -s

parted /dev/sdb mklabel msdos -s  #转换成mbr格式
parted /dev/sdb mklabel gpt -s    #转化成gpt格式

There is a small episode. According to custom, the MBR format is generally called dos under Linux. If you enter dos or mbr after New disk label type, an invalid command will be prompted. This You need to use help mktable to view the help information. You can see that the MBR partition in the parted command is called msdos. The other partitions are as follows:

aix, amiga, bsd, dvh, gpt, mac, msdos, pc98, sun, loop

Recommended learning:

Linux video tutorial

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