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touch

touch [options ] [date ] files

For one or more files , update the access time and modification timestamp to the current time and date, or update to the optional date . date is a date and time in the format mmddhhmm [yy ]. touch is useful in forcing other commands to handle files a certain way; e.g., the operation of make , and sometimes find , relies on a file's access and modification times.

Options

-a

Update only the access time.

-c

Do not create nonexistent files.

-m

Update only the modification time.

-r file

Use the access and/or modification times of file instead of the current time. Solaris only.

-t time

Use the time as provided by time , which has the form [[cc ]yy ]mmddhhmm [. ss ]. Solaris only.


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