What is the command to clear history?
Removing history There may come a time that you want to remove some or all the commands in your history file. If you want to delete a particular command, enter history -d . To clear the entire contents of the history file, execute history -c .
What are root commands?
root is the user name or account that by default has access to all commands and files on a Linux or other Unix-like operating system. It is also referred to as the root account, root user and the superuser. That is, it is the directory in which all other directories, including their subdirectories, and files reside.
Where is the Bash history for the root user saved?
If you log in as root then you will be shown the history for the root user. Test it like this, sudo -i fill in the password and then hit the up key on the keyboard. Now you will scroll through the last used commands in the order recent to oldest. I know Radu Rădeanu answer is what you wanted.
How to use the history command in Linux?
history command in Linux with Examples. history command is used to view the previously executed command. This feature was not available in the Bourne shell. Bash and Korn support this feature in which every command executed is treated as the event and is associated with an event number using which they can be recalled and changed if required.
How can I see the last 10 commands in history?
To see a certain number of commands, you can pass a number to history on the command line. For example, to see the last 10 commands you’ve used, type the following: history 10. You can achieve the same result if you pipe history through the tail command. To do so, type the following: history | tail -n 10.
How to repeat a command from the history list?
Repeating Commands If you want to reuse a command from the history list, type an exclamation point (!), and the number of the command with no spaces in-between. For example, to repeat command number 37, you would type this command: !37