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: equiv-
alent 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.

REPORTING BUGS

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

COPYRIGHT

Copyright (C) 2005 Free Software Foundation, Inc.
This  is  free  software.   You may redistribute copies of it under the
terms      of      the       GNU        General      Public       License
<http://www.gnu.org/licenses/gpl.html>.     There    is NO WARRANTY, to the
extent permitted by law.

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.