What does clear command do in Linux?

What does clear command do in Linux?

clear is a standard Unix computer operating system command that is used to clear the terminal screen. This command first looks for a terminal type in the environment and after that, it figures out the terminfo database for how to clear the screen.

How do you clear the command-line in Unix?

On Unix-like operating systems, the clear command clears the screen. When using the bash shell, you can also clear the screen by pressing Ctrl + L .

How do I clear the command-line screen?

From the Windows command line or MS-DOS, you can clear the screen and all commands using the CLS command.

How do you delete everything on Linux?

Another option is to use the rm command to delete all files in a directory….Linux Delete All Files In Directory

  1. Open the terminal application.
  2. To delete everything in a directory run: rm /path/to/dir/*
  3. To remove all sub-directories and files: rm -r /path/to/dir/*

How do I wipe clean Ubuntu?

The super simple way to wipe your hard drive to like new status (no partitions at all), is to boot your computer to literally any ubuntu Live Boot boot (media) CD/usb-flash. It doesn’t have to be remotely up to date, so whatever you installed ubuntu with should be more than adequate.

How do you reset a Linux computer?

Learn how to perform a system reset using the following steps.

  1. Back up all your personal files.
  2. Restart the computer by pressing the CTRL+ALT+DEL keys at the same time, or using the Shut Down/Reboot menu if Ubuntu still starts correctly.
  3. To open the GRUB Recovery Mode, press F11, F12, Esc or Shift during startup.

Which command is used to clear a command window?

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.

What is CMD CLS?

MS-DOS and Windows command line cls command The cls command allows users to clear all the contents on the screen and leave only a prompt. Availability.

How do I restore my Linux laptop to factory settings?

Reset Dell OEM Ubuntu Linux 14.04 and 16.04 Developer Edition to factory state

  1. Power on the system.
  2. Wait for the onscreen message booting in insecure mode to appear, then press the Esc key on the keyboard once.
  3. After pressing the Esc key, the GNU GRUB boot loader screen should appear.