Want to have a more advanced and easy (intuitive) tool than top, for monitoring, sorting, filtering, killing processes? than htop is the tool of your choice.
Simply install it by using:

and start it with:

Have fun watching your processes.

show all visible characters like spaces, tabs, line breaks / hide all visible characters

Enable / Disable syntax highlighting

Enabling current row and column highlighting

Enabling relative line numbering (cursor is always at zero)

Indentation in vi

you want to mark something in visual mode, and indent the selected part several times to the left or the right?
First, you add these lines to your .vimrc

Now you can visually select a text passage (press v move the arrow keys), afterward, indent it to the left by pressing < or indent it to the right by pressing >

Shortkeys

Search and replace

Copy and paste and selecting stuff


Sorting the content

Moving the cursor

Deleting