touch (update access and modification date)

Sets the access and modification dates for a file to the current date and time. If the file doesn't exist, touch creates an empty file, setting the dates.

 Format:    touch filelist Examples:  touch report 

Opt	What It Does	Examples
-a	Update only the access date	touch -a file1.txt
-c	Don't create a file	touch -c file3
-m	Update only the modification date	touch -m file4
-r filename	Change date to match filename	touch -r file2 report3