32v 1m touch
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TOUCH(1) UNIX Programmer's Manual TOUCH(1)
NAME
touch - update date last modified of a file
SYNOPSIS
touch [ -c ] file ...
DESCRIPTION
Touch attempts to set the modified date of each file. This is done by reading a character from the file and writing it back.
If a file does not exist, an attempt will be made to create it unless the -c option is specified.