In the GRUB 2 menu, change kernel arguments for the selected entry only this time.
Do not modify the saved configuration file.
Which key is generally pressed?
Pressing e in the GRUB 2 menu edits the selected entry temporarily. The change applies to that boot and is not normally saved to grub.cfg.
Detailed explanation
cIncorrect. c opens the GRUB command line.
Incorrect. c opens the GRUB command line.
eCorrect. e opens the selected entry for one-time editing.
Correct. e opens the selected entry for one-time editing.
EscIncorrect. Esc cancels or returns from a menu rather than opening entry editing.
Incorrect. Esc cancels or returns from a menu rather than opening entry editing.
TabIncorrect. Tab is not the standard entry-edit key in this menu.
Incorrect. Tab is not the standard entry-edit key in this menu.
Try it yourself
An example you can run in a temporary verification environment.
printf '%s
' 'GRUB menu: e edits the selected entry for one boot'Expected result
GRUB menu: e edits the selected entry for one bootKey points
- e edits an entry
- The change is temporary
- Persistent changes belong in generation inputs
Notes
- Environment: GRUB 2メニュー操作
- Command output formatting can vary slightly by distribution or tool version.
- Run the example in a temporary directory or process when possible.
Foundation review
Read the scope first
Check whether the command acts on the current shell, a new process, an existing process, or a file.
Verify the observable result
Use the supplied command and compare the output with the expected result.