and it isn’t always virtualisation Virtualisation isn’t the only way to compartmentalise software: Darien Graham-Smith explores how sandboxing and containerisation could save you a lot of memory and disk space. If you want to try out a new piece of software without messing up your nicely configured system, or check out a download that may not be trustworthy, your first instinct might well be to fire up a virtual machine. In some cases that’s the right call. Virtualisation gives you an isolated and disposable system, where you can experiment and potentially break things without consequences. …