Home News Removing duplicate lines with awk ‘!visited[$0]++’ explained By Lazarus Lazaridis June 6, 2019 How to remove duplicate lines of a file in Linux without sorting or changing their order (awk one-liner explained). Complete Story Facebook Twitter Linkedin Email Print Previous articleUbuntu 14.04 LTS has Officially Transitioned to Extended Security Maintenance (ESM) Support Phase Next articleHow to reset Ubuntu Get the Free Newsletter! Subscribe to Developer Insider for top news, trends, & analysis Email Address By subscribing, you agree to our Terms of Use and Privacy Policy. Subscribe Must Read Security 20 Best Linux Password Managers in 2024 Blog Wine 9.0: Run Windows Apps and Games on Linux Security Cloud Active Defense: Open-Source Cloud Protection Developer How to Install Sails.js Framework on Ubuntu 22.04 Developer How to Install Magento 2 on Ubuntu 24.04