OptionsOn touch itself
-A
Adjust the access and modification time stamps for the file by the specified value <time>
-a
Change the access time of the file
-c
Do not create the file if it does not exist
-f
Attempt to force the update, even if the file permissions do not currently permit it
-h
If the file is a symbolic link, change the times of the link itself rather than the file that the link points to
-m
Change the modification time of the file
-r
Use the access and modifications times from the specified file instead of the current time of day <file>
-t
Change the access and modification times to the specified time instead of the current time of day <timestamp>
