In this Linux tip, learn an easy way to do math on the command line using double parentheses. This construct is often used in scripts, but also works just fine on the command line. For more, check out Sandra's blog on Network World, Unix as a Second Language: https://www.networkworld.com/blog/unix-as-a-second-language/ Follow Sandra on Twitter: https://twitter.com/bugfarm #Linux #howto #LinuxTutorial Follow TECH(talk) for the latest tech news and discussion! -----------------------------­--- SUBSCRIBE: null FACEBOOK: https://www.facebook.com/idgtechtalk/ TWITTER: https://twitter.com/IDGTechTalk IDG ENTERPRISE WEBSITES Computerworld: https://www.computerworld.com/video/series/8529/tech-talk CIO: https://www.cio.com/video/series/8534/cio-leadership-live CSO: https://www.csoonline.com/video/series/8607/windows-security-tips InfoWorld: https://www.infoworld.com/video/series/8563/do-more-with-r Network World: https://www.networkworld.com/video/series/8559/2-minute-linux-tips