Linux ext2ed Command

The Linux ext2ed command is an ext2 file system editor program.

ext2ed can directly process data on hard disk partitions; this command is only provided by Red Hat Linux.

ext2ed

General commands:

setdevice[device name] Specifies the device to process.
disablewrite Sets ext2ed to read-only state.
enablewrite Sets ext2ed to read-write state.
help[command] Displays help for an individual command.
next Moves to the next unit; the unit varies depending on the current mode.
prev Moves to the previous unit; the unit varies depending on the current mode.
pgup Moves to the next page.
pgdn Moves to the previous page.
set Modifies the current data; the parameters vary depending on the current mode.
writedata Only after executing this command will the data in the partition actually be modified.
Commands for ext2 to enter the 3 modes
super Enters the main superblock, i.e., Superblock mode.
group<number> Enters the specified group, i.e., Group mode.
cd<directory or file> In inode mode, enters the specified directory or file, i.e., Inode mode.
Superblock mode
gocopy<backup number> 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.

Other extensions

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