Linux Command Encyclopedia file management: Touch

Function Description: Change file or directory time.

Grammar: touch&http://www.aliyun.com/zixun/aggregation/37954.html ">NBSP;" [-ACFM] [-D < date time] [R < Reference file or directory] [-T < date time]　　 [--help] [--version] [File or directory ...] or touch [-acfm][--help][--version][date Time] [file or directory ...]

Supplemental Note: Use touch instructions to change the date and time of a file or directory, including access time and change time.

Parameters：
Only the access time is changed by-A or--time=atime or--time=access or--time=use.
-C or--no-create does not create any files.
-d< Time Date > Use the specified date time, not the current time.
-F This parameter ignores no processing and is responsible for resolving the issue of compatibility of the BSD version of touch instructions only.
-M or--time=mtime or--time=modify only change the change time.
-r< reference file or directory > the date and time of the specified file or directory, all set to the same date and time as the reference file or directory.
-t< Date Time > Use the specified date time, not the current time.
--help online Help.
--version Displays version information.