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 ( 231 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:

SEE ALSO

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

SunOS 5.6  —  Last change: 26 Oct 1995