"Although these may not be necessarily
productivity-related, they will surely ease working in a Bash
terminal and it may be worth knowing them. If you're not familiar
with the terminal, command-line interface and Bash you can go ahead
and read my introduction to Linux CLI.
"Using Ctrl+R (reversed search)
Ctrl+R performs a reversed search in the history. For example,
typing the command df -h | grep /dev/sda1, then pressing Ctrl+R and
typing only df, the most recent command will be auto-completed and
performed upon pressing Enter. Ctrl+R searches for occurences of
what you type and returns the last command in which it finds
it:"
