Here are 4 tips to speed up the work at terminal.
- Use Option + Arrow to jump between words and to shift select words

Option + Arrows -
Use Ctrl + W to delete word instead of backspace

Ctrl + W -
Use Ctrl + U to delete everything to left.

Ctrl + U - Use Ctrl + A / Ctrl + E to jump to beginning and end instead of arrows!

Ctrl + A, Ctrl + E