The "path" environment variable in Linux specifies the directories the terminal looks in when you type the path to a command. For example, when you type "command," Linux looks through each directory ...

Ubuntu Linux, as well as all other Linux distributions, uses the PATH variable to tell the operating system where to look for executable commands. Typically these commands are located in the /usr/sbin ...

The goal here is to remove duplicate entries from the PATH variable. But before I begin, let's be clear: there's no compelling reason to to do this. The shell will, in essence, ignore duplicates PATH ...

In my first post on removing duplicate PATH entries I used an AWK one-liner. In the second post I used a Perl one-liner, or more accurately, I tried to dissect a Perl one-liner provided by reader ...