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To prevent accident logging out, we can use ____ as a keyword with the set command.

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To prevent accident logging out, we can use ____ as a keyword with the set command.

(a) noclobber

(b) log out

(c) ignoreeof

(d) ignore

This question was addressed to me in an interview.

This is a very interesting question from Shell Offerings in portion Customizing the Environment & More File Attributes of Unix

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Best answer
The correct option is (c) ignoreeof

The best I can explain: It may happen that sometimes when we press the Ctrl-d with intent to terminate standard input, but end up logging out of the system. The ignoreeof keyword offers protection from accidental logging out.

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