BASH tips and tricks - power shell usage
If you really want to become # 1 at UNIX admin job
or power user, shell is the key. Mastering shell, shortcuts and various commands result into good speed and improvements in productivity. If you type lots of things everyday this is a must read for you.
There is a nice presentation (slides) and PDF document available at GBdirect website.
Topic included
=> Tips for driving Bash better in everyday Linux use
=> Command history
=> Searching history
=> Keyboard shortcuts
=> Calling back keywords/commands and command arguments on fly
=> And much more
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=> Read online: Power Shell Usage - Bash Tips & Tricks
=> Download PDF version
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I think that fish is a better shell than bash is.
Most production servers come with BASH and most scripts are written for bash. But yes in general fish could be a better choice.