Unix Shell Scripting Tutorial Touch Command
Unix Shell Scripting Tutorial Touch Command
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. An updated access or modification date can be important for a variety of other programs such as backup utilities or the make command-line interface programming utility.
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