CD

1. Short for Compact Disc, see the Compact Disc definition for additional information about this term.
2. Short for Change Directory, cd is a command commonly used to change the directory in a command line operating system.

• See MS-DOS cd command for further information on this command.
• See the Linux or Unix cd command for further information on this command.
• See the how to use ftp help page for information about cd and other FTP commands.