clear (#24643)

* clear

added an explanation of the clear command

* add title fix format

* fixed format

* fixed title

* Fix filename to index.md

guide/english/bash/bash-clear/index.md

@@ -0,0 +1,7 @@
+---
+title: Bash clear
+---
+
+## Bash Command clear
+
+`clear` - typing clear will remove all text from the shell your working in.