Sub

Updated: 04/26/2017 by Computer Hope

Sub may refer to any of the following:

1. In programming, a sub is short for the word subroutine.

2. With speakers, a sub is short for the word subwoofer.

3. With text and typography, sub is short for the word subscript.

4. In e-mail and messages, sub is short for the word subject.

5. When referring to HTML, the <sub> tag is used to designate subscript text.

6. A sub may also be short for "substitute," see our subst command page for information about the MS-DOS and Windows command line command.