Check to see if there are more than just one command in your path
Sometimes you run a command, but turns out there were more of the same command, just located in different directories.
e.g. You may have ls installed in multiple locations.
/bin/ls
/sbin/ls
/usr/local/bin/ls
/usr/local/sbin/ls
/sbin/ls
/usr/local/bin/ls
/usr/local/sbin/ls
Run the following command to show all ls commands available.
$ which -a ls
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