touch(1B)




NAME

     touch - change file access and modification times


SYNOPSIS

     /usr/ucb/touch [-acfm] file...


DESCRIPTION

     touch sets the access and modification times of each file to
     the  current  time.  file  is created if it does not already
     exist.


OPTIONS

     -a    Change the access time of  file.  Do  not  change  the
           modification time unless -m is also specified.

     -c    Do not create file if it does not exist.

     -f    Attempt to force the touch in spite of read and  write
           permissions on file.

     -m    Change the modification time of file.  Do  not  change
           the access time unless -a is also specified.


USAGE

     See largefile(5) for the  description  of  the  behavior  of
     touch  when  encountering  files  greater than or equal to 2
     Gbyte ( 2**31 bytes).


EXIT STATUS

     The following exit values are returned:

     0     touch executed successfully and all requested  changes
           were made.

     >0    An error occurred. touch returns the number  of  files
           for  which  the  times could not be successfully modi-
           fied.


ATTRIBUTES

     See attributes(5) for descriptions of the  following  attri-
     butes:

     ____________________________________________________________
    |       ATTRIBUTE TYPE        |       ATTRIBUTE VALUE       |
    |_____________________________|_____________________________|
    | Availability                | SUNWscpu                    |
    |_____________________________|_____________________________|


SEE ALSO

     touch(1), attributes(5), largefile(5)


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