touch - change file timestamps
touch [''OPTION''?... FILE...
touch [''-acm''? MMDDhhmm[''YY''?
Update the access and modification times of each FILE to the
change only the access time
do not create any files
parse STRING and use it instead of current time
change only the modification time
use this file's times instead of current time
use [[[CC?YY]MMDDhhmm[.ss? instead of current
set time given by WORD: access atime use (same as -a)
modify mtime (same as -m)
display this help and exit
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
Copyright 2001 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
The full documentation for touch is maintained as a
Texinfo manual. If the info and touch programs
are properly installed at your site, the
should give you access to the complete manual.