Is command not found?

The error “Command not found” means that the command isn’t in your search path . When you get the error “Command not found,” it means that the computer searched everywhere it knew to look and couldn’t find a program by that name. You can control where the computer looks for commands, however.

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What is Z zsh?

Zsh-z is a command line tool that allows you to jump quickly to directories that you have visited frequently in the past, or recently — but most often a combination of the two (a concept known as “frecency”).

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