100th Birthday Of The Touch Interface

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LEARN ABOUT OPENSOLARIS

touch

touch(1B)					     SunOS/BSD Compatibility Package Commands						 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 modified.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWscpu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

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

SunOS 5.11							    26 Oct 1995 							 touch(1B)

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