Beyond the up arrow (Lightning Talk)
summary
Shows concrete shell-history tactics and live results: using history numbers to rerun commands and the speaker demonstrates bang number like 15391 reruns that command, shows mistakes when that runs in the wrong directory, explains bang abbreviations and argument selectors and !:p prints the command instead of executing, demos !:1 picks the first argument from a past command, and covers reverse incremental search via Ctrl+R so these replace endless up‑arrow hunting.
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