How to clear the current command line in Linux or Mac terminal?
For example, if you typed a bunch of instructions wrongly, and you want to clear them,
Be sure to do the same as I used to, use the reverse key to kill slowly, we can use ctrl+u
Remove the entire command line directly.
If you press ctrl+u to delete the entire line command,
If you want to restore , you can press ctrl+y .
When we use ssh public key authentication, we usually add relevant settings in ~/.ssh/config. If some are used by the company or at home, can multiple configs be used? In fact, it is possible. We can use git to load the company-shared, version-controlled config through Include.
On the new version of RHEL 7/CentOS 7 or Fedora, we can check the status and make adjustments through timedatectl.
Htop is a free (GPL) ncurses-based program monitor tool for Linux. It is similar to top, but allows you to scroll vertically and horizontally, so you can see the full command line running on the system, And you can view them as program trees, select multiple programs and operate them.
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