Here is the list of all the Bash debugging posts: Verbose Output Using exit command Using echo command Using ShellCheck Jummping Forward This debugging tool is useful in your Bash scripts and also in any Bash one-liners that you write. The echo tool will print any input you give it. Most importantly, it will not execute any commands that are included in the input you give it but it will expand variables, wildcards, etc to show you everything that would happen when you run that command.