Ending a login shell with EOF | LinuC Level 1 101 Exam original practice question

1.01.1Basic

An interactive SSH login shell is waiting for command input.

Send end-of-file to terminate the shell normally.

Which key sequence is commonly used?

Hint 1: Focus on the requirement

Select the terminal control that sends end-of-file to an input-waiting interactive shell.

Hint 2: Key terms

Review the short definitions before comparing the command or configuration choices.

Ctrl+D: The common terminal key sequence that supplies EOF when no input is pending.
EOF: A marker indicating that no more bytes are available from an input stream.
Interactive shell: A shell that reads commands from a terminal and responds to user input.

Detailed explanation

IncorrectCtrl+C

Incorrect. Ctrl+C sends an interrupt to the foreground command.

CorrectCtrl+D

Correct. Ctrl+D sends EOF to an input-waiting shell.

IncorrectCtrl+Z

Incorrect. Ctrl+Z suspends the foreground job.

IncorrectCtrl+L

Incorrect. Ctrl+L redraws or clears the terminal display.

An example you can run in a temporary verification environment.

bind -q end-of-file

Bash readlineのend-of-file割り当て情報

Environment: Bash 5.2／OpenSSH 9.x
Use a disposable VM or test account when validating installation and SSH behavior.
Exact command output can vary slightly by distribution and OpenSSH version.

Foundation review

Interrupt, suspend, screen-control, and end-of-file signals have distinct terminal meanings.

If a line already contains text, understand that Ctrl+D may first deliver the pending input instead of exiting.

Question IDKL-101-314

EnvironmentBash 5.2／OpenSSH 9.x

Last technical review2026-08-13

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