/usr/ucb/touch [-acfm] file...
touch sets the access and modification times of each file to the current time. file is created if it does not already exist.
-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.
See largefile(5) for the description of the behavior
of touch when encountering files greater than or equal to 2 Gbyte ( 2
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.
See attributes(5) for descriptions of the following attributes:
|ATTRIBUTE TYPE||ATTRIBUTE VALUE|
touch(1), attributes(5), largefile(5)