14 April 2009

touch - Linux man page

Name

touch - change file timestamps

Synopsis

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
-c--no-create
do not create any files
-d--date=STRING
parse STRING and use it instead of current time
-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
change the specified time: WORD is access, atime, or use: equivalent to -a WORD is modify or mtime: equivalent to -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.

If a FILE is -, touch standard output.

Author

Written by Paul Rubin, Arnold Robbins, Jim Kingdon, David MacKenzie, and Randy Smith.