ctrl+r to search back through your command history to rerun a command is something that I find surprises people
vim folks will also love setting vi as the keyboard shortcuts to edit lines in Bash with set -o v within their profile. you can then up arrow (or ctrl+r) to find a previous command, hit Esc to exit insert mode to activate vi shortcuts then to edit the line. For example command 0 (zero) takes you to the beginning of the line, w jumps over words, r will let you overwrite, a to start appending, d3w will delete three words. Using vi shortcuts can save a serious amount of typing.
set -o v
Folks on windows who like bash and who use visual studio code might like my post on setting Git Bash to be the built in terminal within VS Code.
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