The "touch" command accomplishes what action?

Question $11$ options:

a$)$

opens a specified text file in the text editor with the same name as the issued command

b$)$

prints the location of an executable file associated with a specific text command

c$)$

updates the last modified time of a file or creates a $0-$byte file if the file does not exist

d$)$

prints either the specified text or environment variable text to the console window