If you work with text in the console, perhaps edit some configuration on the server under the Nix, then you may be interested and useful to learn some hot keys that you probably never used.
Returns to the beginning of the current line Ctrl + A
Returns to the end of the current line Ctrl + E
Delete the word back Alt + BackSpace
Delete the word forward Alt + D
Move the cursor to the beginning of the next word Alt + F
Move the cursor to the beginning of the previous word Alt + B
Delete the character in front of the cursor Ctrl + D
These combinations are supported by most of the nix systems I used.
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From myself, I will only say that I discovered them quite by accident, when I got used to emacs quite a bit. And, by the way, it would be interesting to learn more of this kind of combinations that are used most often.