Direct mail is a broad term that includes the following types of mailed promotions: Institutional direct mail serves to promote the name of the publishing house with no reasonable expectation of sales revenues.
touch (Unix) touch is a standard Unix command-line interface program which is used to update the access date and / or modification date of a file or directory. In its default usage, it is the equivalent of creating or opening a file and saving it without any change to the file contents.
On the Microsoft Windows operating system, the Run command is used to directly open an application or document whose path is known. It functions more or less like a single-line command line interface. In the GNOME interface, the Run command is used to run applications via terminal commands.