TOUCH(1) General Commands Manual TOUCH(1)

touch - update the modification time of one or more files

touch [-c] [ -t time ] files

Touch attempts to set the modification time of the specified files to time (by default, the current system time). If a file does not exist, touch will attempt to create it, unless the -c option is given.

/appl/cmd/touch.b

ls (1), chmod (1), sys-stat (2), stat (5)