Today I learned about the history command in bash. In particular, a keyboard shortcut (!!) to execute the previous command.
Leave a CommentTag: Linux
![➜ ~ type echo cat sail if echo is a shell builtin cat is /bin/cat sail is an alias for [ -f sail ] && bash sail || bash vendor/bin/sail if is a reserved word](https://shawnhooper.ca/wp-content/uploads/2025/10/Screenshot-2025-10-10-at-11.41.47-AM.png)
The bash `type` command – showing you how a command would be executed. Wish I knew about this 20 years ago….
3 Comments