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# Linux ext2ed Command [ Linux Command Manual](#) The Linux ext2ed command is an ext2 file system editor. ext2ed can directly handle data on hard disk partitions. This command is only provided by Red Hat Linux. ### Syntax ext2ed General commands: * setdevice Specifies the device to be processed. * disablewrite Sets ext2ed to read-only mode. * enablewrite Sets ext2ed to read-write mode. * help Displays help for a specific command. * next Moves to the next unit. The unit type depends on the current mode. * prev Moves to the previous unit. The unit type depends on the current mode. * pgup Moves to the next page. * pgdn Moves to the previous page. * set Modifies the current data. Parameters depend on the current mode. * writedata After executing this command, the data in the partition will actually be modified. * ext2 Commands to enter 3 modes * super Enters the main superblock, i.e., Superblock mode. * group Enters the specified group, i.e., Group mode. * cd In inode mode, enters the specified directory or file, i.e., Inode mode. * Superblock mode * gocopy Enters the specified superblock backup. * setactivecopy Copies the current superblock to the main superblock. * Group mode * blockbitmap Displays the block bitmap of the current group. * inode Enters the first inode of the current group. * inodebitmap Displays the inode bitmap of the current group. * Inode mode * dir Enters directory mode. * file Enters file mode. [ Linux Command Manual](#)