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This article mainly introduces the use of the ext2ed command in Linux. It is very detailed and has a certain reference value. Friends who are interested must finish reading it!

The Linux ext2ed command is the ext2 file system editor.

Ext2ed can directly process the data on the hard disk partition, and this instruction is provided only by Red Hat Linux.

Syntax ext2ed

General instructions:

Setdevice [device name] specifies the device to be processed. Disablewrite makes ext2ed read-only. Enablewrite makes ext2ed readable and writable. Help [instruction] displays the help of individual instructions. The next is moved to the next unit, and the unit varies depending on the current mode. If the prev is moved to the previous unit, the unit will vary according to the current mode. Pgup moves to the next page. Pgdn moves to the previous page. Set modifies the current data, and the parameters vary according to the current mode. Writedata does not actually modify the data in the partition until it executes this instruction. Ext2 enters three modes of instruction super to enter main superblock, that is, Superblock mode. Group enters the specified group, that is, Group mode. Cd in inode mode, enter the specified directory or file, that is, Inode mode. Superblock mode gocopy enters the specified superblock backup. Setactivecopy copies the current superblock to main superblock. The Group mode blockbitmap displays the block map of the current groupo. Inode enters the first inode of the current group. Inodebitmap displays the inode binary code of the current group. Inode mode dir enters directory mode. File enters file mode.

The above is all the content of the article "what is the use of ext2ed commands in Linux". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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