TOUCH

touch − change file timestamps

touch [OPTION]... FILE...

or : ../src/touch [-acm] MMDDhhmm[YY] FILE... (obsolescent)

Update the access and modification times of each FILE to the current time.

−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

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 three time-date formats recognized for the −d and −t options and for the obsolescent argument are all different.

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

Report bugs to <bug-fileutils@gnu.org>.

Copyright © 1999 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

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.