The Unix Weekly TIPsheet Vol. Unix Enlightenment Unix needs some guidance to get things done for you.
Different functions use different paths to find commands or files.
These are set for you by default and you may have no need to change them. A few modifications can simplify your work, however. A path contains a list of directories. The directories in each path are searched in order from first to last until the requested program or file is found. This can be used to your advantage if you want to override a system program by putting your copy in the path first.