Linux Command - touch

touch - touch a file

• changes access and modification times of a file to current time
• creates the file if it doesn’t exist

touch -r /etc/hosts test.py

-a	only change access time
-c	don’t create
-d	specify a date
-m	only change modification time
-r	use time of this file instead of current time
-t	STAMP specify time stamp like this: [[CC]YY]MMDDhhmm[.ss]
–time	also can be used to change the time …
-d	parse a free format date string ex: “Sun, 29 Feb 2004 16:21:42 -0800”