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- Git - Undoing things Especially if we use a command like git add star, where the star is a file glob pattern used in Bash This command will end up adding any change done in the working tree to the staging area. - you want to
- Python - Regular expressions also known as regex or regexp, is essentially a search query for text that's expressed by string pattern We can also use command line tools that know how to apply regexs, like grep, sed, or awk. - using index
- 61일 EEM(Embeded Event Manager)~ FastEthernet0/0, changed state to down" action 1.0 cli command "enable" action 1.1 cli command "conf t" action 1.2 cli command "interface f0/0" action 1.3 cli command "no shutdown" 2.