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Which command is used to change timestamps associated with a file?

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Which command is used to change timestamps associated with a file?

(a) touch

(b) time

(c) umask

(d) ls

This question was posed to me during an interview.

My query is from Advanced File Handling Commands topic in portion Customizing the Environment & More File Attributes of Unix

1 Answer

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Best answer
Right option is (a) touch

Explanation: A UNIX file has three time stamps associated with it which are:

1. time of last file modification

2. time of last access

3. time of last inode modification

These timestamps are changed using the touch command.

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