Warzone 2 fans are disappointed as the new Operator Izzy looks more like a "Fortnite character" than a Call of Duty one. With Activision leaning more towards microtransactions and releasing one ...

protect a variable name from surrounding characters. $ export foo=foo $ echo ${foo}bar # foo exists so this works as expected foobar $ echo $foobar # foobar doesn't ...

Our client is currently searching for an experienced Linux Operator to join their Operations team. Their ideal candidate will have a keen interest in Open Source Technologies and will have a minimum ...

At a basic level, parameter expansion means changing Bash syntax into a value—expanding it. For example: echo "$foo" This ...

Few aspects of Unix system administration are more intimate than the relationship between the admin and their chosen shell. After all, the shell is the most fundamental interface to the system, the ...