clear (Unix)
 Clear being used on Linux under uxterm | |
| Original author(s) | Computer Systems Research Group at the University of California, Berkeley |
|---|---|
| Developer(s) | Various open-source and commercial developers |
| Initial release | February 24, 1979 |
| Operating system | Unix, Unix-like, V, KolibriOS |
| Type | Command |
clear is a computer operating system command which is used to bring the command line on top of the computer terminal. It is available in various Unix shells on Unix and Unix-like operating systems as well as on other systems such as KolibriOS.[1]
Depending on the system, clear uses the
cls
on a number of other operating systems.
In ISO 9995-7 specifies that the following symbol be used to indicate this function on a keyboard, which is included in Unicode as: ⎚ CLEAR SCREEN SYMBOL.[2]
One may use the reset command to erase every previous command.
History
The clear command appeared in 2.79
Unix 8th edition.[3]
See also
- List of Unix commands
References
- ^ "Shell - KolibriOS wiki".
- ^ "ISO 9995-7" (PDF).
- ^ "Clear 1".
Further reading
- McElhearn, Kirk (2006). The Mac OS X Command Line: Unix Under the Hood. ISBN 978-0470113851.
External links
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