| Linux / Unix Command: touch |
NAME
touch - change file timestampsSYNOPSIS
touch [OPTION]... FILE...DESCRIPTION
Update the access and modification times of each FILE to the current time.
Mandatory arguments to long options are mandatory for short options too.
- -a
- change only the access time
- -B, --backward=SECONDS
- Modify the time by going back SECONDS seconds. For example, touch -r foo -B 5 bar will make the file bar 5 seconds older than file foo.
- -c, --no-create
- do not create any files
- -d, --date=STRING
- parse STRING and use it instead of current time
- -F, --forward=SECONDS
- Modify the time by going forward SECONDS seconds. For example, touch -r foo -F 5 bar will make the file bar 5 seconds newer than file foo.
- -f
- (ignored)
- -m
- change only the modification time
- -r, --reference=FILE
- use this file's times instead of current time
- -t STAMP
- use [[CC]YY]MMDDhhmm[.ss] instead of current time
- --time=WORD
- set time given by WORD: access atime use (same as -a) modify mtime (same as -m)
- --help
- display this help and exit
- --version
- output version information and exit
Note that the -d and -t options accept different time-date formats.
SEE ALSO
The full documentation for touch is maintained as a Texinfo manual. If the info and touch programs are properly installed at your site, the command- info touch
should give you access to the complete manual.
Important: Use the man command (% man) to see how a command is used on your particular computer.
