Editing CLS (command) (section)

{{Infobox software
| name = cls
| logo = 
| screenshot = 
| screenshot size = 
| caption = 
| developer = [[Digital Equipment Corporation|DEC]], [[Microsoft]], [[IBM]], [[The Software Link|TSL]], [[Digital Research|DR]], [[Novell]], [[Toshiba]], ReactOS Contributors
| released = 
| latest release version = 
| latest release date = 
| operating system = [[RT-11]], [[DOS]], [[MSX-DOS]], [[FlexOS]], [[PC-MOS]], [[SISNE plus]], [[OS/2]], [[Microsoft Windows|Windows]], [[ReactOS]], [[SymbOS]], DexOS
| platform = [[Cross-platform]]
| genre = [[Command (computing)|Command]]
| license = PC-MOS: [[GPL v3]]<br />ReactOS: [[GPL v2]]
| website = 
}}
In [[computing]], '''<code>CLS</code>''' (for '''cl'''ear '''s'''creen) is a [[command (computing)|command]] used by the [[command-line interpreter]]s <code>[[COMMAND.COM]]</code> and <code>[[cmd.exe]]</code> on [[DOS]], [[Digital Research]] [[FlexOS]],<ref>http://www.bitsavers.org/pdf/digitalResearch/flexos/1073-2003_FlexOS_Users_Guide_V1.3_Nov86.pdf {{Webarchive|url=https://web.archive.org/web/20190925131719/http://bitsavers.org/pdf/digitalResearch/flexos/1073-2003_FlexOS_Users_Guide_V1.3_Nov86.pdf |date=2019-09-25 }} {{Bare URL PDF|date=March 2022}}</ref> [[IBM]] [[OS/2]],<ref>{{Cite web |url=http://www.jatomes.com/Help/Os2Cmd.php#CLS |title=JaTomes Help - OS/2 Commands |access-date=2019-07-06 |archive-date=2019-04-14 |archive-url=https://web.archive.org/web/20190414130029/http://www.jatomes.com/Help/Os2Cmd.php#CLS |url-status=dead }}</ref> [[Microsoft Windows]]<ref>[https://technet.microsoft.com/en-us/library/bb490879.aspx Microsoft TechNet Cls article]</ref> and [[ReactOS]] [[operating systems]] to clear the screen or [[Terminal emulator|console window]] of commands and any output generated by them. It does not clear the user's [[command history|history of commands]], however.
The command is also available in the [[Digital Equipment Corporation|DEC]] [[RT-11]] operating system, in the [[open-source software|open-source]] [[MS-DOS]] [[emulator]] [[DOSBox]] and in the [[Unified Extensible Firmware Interface|EFI shell]].<ref name="EFI-Shells-and-Scripting">{{cite web
 | url = http://software.intel.com/en-us/articles/efi-shells-and-scripting/
 | title = EFI Shells and Scripting
 | publisher = [[Intel]]
 | access-date = 2013-09-25
}}</ref> In other environments, such as [[Linux]] and [[Unix]], the same functionality is provided by the <code>[[clear (Unix)|clear]]</code> command.