What is clear command used for?

What is clear command used for?

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.

How do I completely clear terminal?

Use ctrl + k to clear it. All other methods would just shift the terminal screen and you can see previous outputs by scrolling.

What is TPUT Cup Unix?

tput : Portable Terminal Control. The tput command allows shell scripts to do things like clear the screen, underline text, and center text no matter how wide the screen is. The GNU tput command takes a terminfo name as an argument to make it compatible with the Unix System V tput command.

Which command is used to clear text?

CLS (command) In computing, CLS (for clear screen) is a command used by the command-line interpreters COMMAND.COM and cmd.exe on DOS, Digital Research FlexOS, IBM OS/2, Microsoft Windows and ReactOS operating systems to clear the screen or console window of commands and any output generated by them.

How do you clear in SQL?

The Clear command clears the screen of the SQL*Plus application window and the screen buffer. Shift+Del is the keyboard shortcut for the Clear command.

How do you use the tput Cup?

Using tput you can control the color and cursor of your terminal as explained in this article.

1. Set the Cursor Position using tput cup.
2. Clear the Screen Using tput clear.
3. Get the Number of Columns and Lines of a Terminal.
4. Execute Multiple tput Commands.
5. Change the Terminal Background Color using tput setb.

How to clear the screen using tput clear?

Clear the Screen Using tput clear If you are in middle of the terminal screen, tput clear will clear the screen and put you at the top of the terminal screen.

Which is the better way to clear console?

There are two more ways to clear console: Now question arises which should we use and why: Using regex is a better way.The reason is its faster execution. By using regex we can perform clear screen operation very fastly in comparion to using system(“clear”).

Is there a way to clear console in C language?

It is not part of the C standard library or ISO C, nor is it defined by POSIX. So what should we use there? Using regex is a better way.The reason is its faster execution. By using regex we can perform clear screen operation very fastly in comparison to using system (“clear”).

Which is an example of a tput command?

Execute Multiple tput Commands tput allows you to run set of commands in a single time. For example, if you want to clear the screen and set cursor to a particular position, do the following. 5. Change the Terminal Background Color using tput setb