Linux file System (partition) Operations Management Instructions Summary

Linuxcommon file system Operations management directives are as follows1.CommandMkfs:Create a new file system for a partition, which is the advanced format partition

command format: MKFS [-v] [-t fstype] [fs-options] filesys [blocks]

Common Options explained:

[-T Fstype] : Specifies the type of file system to create , default is ext2

Mkfs-t ext3 =mkfs.ext3 = mke2fs-j

Mkfs-t ext2 =mkfs.ext2 = mke2fs

Mkfs-t VFAT =mkfs.vfat

2.CommandMke2fs: Dedicated to creatingExt2/ext3File System

command format:mke2fs [Options] Device

Common Options explained:

-j: creating a ext3 file system

-L Lablename: Create File system and make volume label name

-M: Specifies the percentage of disk blocks reserved for super User management

-B: create file system and set disk block size (1024,2048,4096 bytes)

-I: specifies the amount ofdisk space (in bytes) reserved for each inode (file), combined with The block size specified by the-B option, we can calculate The number of disk blocks that each file occupies

-N: Specify the number of Inode reserved to the appropriate partition directly

-F: Force run mke2fs

-E: Specify additional Create file system options

3.CommandBlkidPrint/Show block device properties,includeUuid,type,lableand other information

Common command format:blkid [Device]

4.CommandE2label:View or modify file system volume labels

Common command format:e2label device [New-label]

5.CommandTune2fsAdjust the adjustable file system parameters

Common command format:tune2fs [Options]device

Common Options explained:

-j: Adjust file system to ext3 type

-M: Adjust the percentage of disk blocks reserved to super users

-L: Adjust the file system's volume label

-I: set the file system to automatically check the number of days (using e2fsck, 0 or 1 meansto disable this feature

-C: set the maximum number of mounts to wait for check (if set to 0, or 1 to turn off the check on Mount Count)

-C: sets the number of times the file system has been mounted

-L: list or display file system Super block content

6.CommandDumpe2fs:dump EXT2/EXT3 filesystem Information

Common command format:dumpe2fs [Options]device

Common Options explained :

-H: Show only the Super block information and not the block group information

7.CommandFsck:Check and repair the file system

Common command formats:fsck [Options] Device

Common Options explained:

-A automatically repairs the file system after a problem is found, without asking the user if it needs repairing

-T Fstype Specifies the type of file system to be checked and repaired, and generally does not need to specify

8.CommandE2fsckSpecialized InspectionExt2/3File System

Common command format:e2fsck [Options] Device

Common Options explained:

-a|-p Automatic repair file system

-N Check not fix only

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Linux file System (partition) Operations Management Instructions Summary