It is possible to 'quick save' by saving and quitting, and then making manual backup copies of the
continue.sav file, and restoring them when one dies.
This would be considered cheating by some players and may spoil enjoyment of the game. It goes against the intentions of the developer's desire for the player to experience permanent death, a standard feature of many roguelike games.
Crew members gain skills when in combat. If an enemy ship cannot penetrate one's shields and can't do hull damage, you can stay in combat indefinitely (unless they jump). This allows the opportunity to train crew members to maximum skill.