How the Linux file system automatically mounts partitions when the system is powered on

To have the system mount the partition automatically, you need to modify the/etc/fstab file

There are 6 fields in/etc/fstab
1, the device name used to specify the device name can also be a volume label
2, Mount point, the partition will be associated with the specified mount point if the partition is a swap partition directly write swap this keyword is good
3. File system type
4. Defaults mount option tune2fs-o/mount-o that if you want to specify more than one option, separate the options with commas.
5. Dump frequency 0 never dump 1 Backup 2 days a day backup backup what?? I don't know
6, self-test sequence 0 never self-Test 1 First self-test usually can only be the root file system 2 Secondary self-test maximum is 9

How the Linux file system automatically mounts partitions when the system is powered on