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Which file is executed every time a second shell is called up?

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Which file is executed every time a second shell is called up?

(a) .profile

(b) rc file

(c) .script

(d) env.file

This question was posed to me in an online quiz.

My question is from Shell Offerings in portion Customizing the Environment & More File Attributes of Unix

1 Answer

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The correct answer is (b) rc file

To explain I would say: There is no rc file in Bourne, but bash and Korn shell use one. This file is defined by an environment variable (BASH_ENV in bash and ENV in Korn). This rc file is executed every time a second shell is called up (when running a shell script, for instance).

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