I've been using bash for years, and I still haven't come anywhere close to mastering the full range of available command line keyboard shortcuts. I've found the best way to get more under my fingers is to note a few on a Post-It stuck to the monitor, and then swap it for another one at intervals.Bash has a wide array of available command line keyboard shortcuts. Here are some to post near your monitor.

Here, are a few useful candidates.

(C = control key, M = alt/meta key.)