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UNIX-SYSTEMS-PROGRAMMING-AND-COMPILER-DESIGN-LABORATORY-10CSL68--->View question


Asked On2017-06-05 09:17:56 by:Aparna-Dasgupta

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manjarimatturelectron

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touch is a standard UNIX command line interface program which is used to update the access date and / or modification date of a file or directory. In its default usage, it is the equivalent of creating or opening a file and saving it without any change to the file contents. Touch eliminates the unnecessary steps of opening the file, saving the file, and closing the file again. Instead it simply updates the dates associated with the file or directory.
A tool which comes handy in both scenarios is the touch command. Touch command not only provides a simple way to create files, but it also allows a user to alter access and modification time for a given file.

Now that we know something more about access and modify time, we are free to explore what more has touch command to offer. It would not be very efficient if every time system administrator needs to change modify time of a certain file, s/he would have to add a line into it .


Answerd on:2017-06-28 Answerd By:13priya

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