touch(1)                                                 touch(1)



NAME
     touch - updates access and modification times of a file

SYNOPSIS
     touch [-a] [-c] [-m] [mmddhhmm[yy]] file...

ARGUMENTS
     -a   Updates only the access times.  The default is -am.

     -c   Silently prevents touch from creating the file if it
          did not previously exist.

     file Specifies the file to be updated.

     -m   Updates only the modification times.  The default is
          -am.

     mmddhhmm
          Specifies the month (mm), day (dd), hour (hh), and
          minute (mm) that the specified file is updated.

     yy   Specifies the year that the specified file is updated.

DESCRIPTION
     touch causes the access and modification times of each
     argument to be updated.  The filename is created if it does
     not exist.  If no time is specified (see date(1)) the
     current time is used.

     The return code from touch is the number of files for which
     the times could not be successfully modified (including
     files that did not exist and were not created).

EXAMPLES
     Enter this command:

        touch filea fileb

     to set the ``date last modified'' of the two files to the
     current date.

LIMITATIONS
     You can't touch a numeric filename without preceding that
     filename with the date or with a non-numeric filename on the
     command line.  For example,

        touch 100

     will not work, however

        touch 0723093584 100




January 1992                                                    1

touch(1)                                                 touch(1)



     or

        touch file1 100

     will work.

FILES
     /bin/touch
          Executable file

SEE ALSO
     date(1)

     utime(2) in A/UX Programmer's Reference









































2                                                    January 1992