CLS Computing Abbreviation

Close

To end an application’s relationship with an open file so that the application will no longer be able to access the file without opening it agai To end a com-puter’s connection with another computer on a network. Or An FTP command that instructs the client to close the current connection with a server or To end an activity and remove that window from the display.or To end processing by ending the connection between the file and a program.

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Clear Screen

Clear is a standard Unix computer operating system command which is used to clear the screen. Depending on the system, clear uses the terminfo or termcap database, as well as looking into the environment for the terminal type in order to deduce how to clear the screen.

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Clear To Send

Clear the Screen

Class definition file