Linux Commands: Change file timestamps
touch-Linux Command
touch command- Change file timestamps
Syntax: touch [options]... File...
Description: Utility for updating access/modification times of a file to current system time or other specified time, but also useful for creating a new file. The command touch zzz will create a new file of zero length, named zzz, assuming that zzz did not previously exist. Time-stamping empty files in this way is useful for storing date information, for example in keeping track of modification times on a project.
The touch command is equivalent to : >> newfile or >> newfile (for ordinary files).
Before doing a cp -u (copy/update), use touch to update the time stamp of files you don't wish overwritten.
Example:
Related: chgrp , chmod , chown , date, which
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