Home News Removing duplicate lines with awk ‘!visited[$0]++’ explained By Lazarus Lazaridis June 7, 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 articleHow to Install Lutris on Debian 10 Buster Next articleLine Length Limits in the Kernel 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 Blog How to Install and Configure Memcached on Ubuntu 22.04 Developer How to Install Fedora 40 Server with Screenshots Developer How to Run a Python Script on a PHP/HTML File News Nginx 1.26 Released with Experimental HTTP/3 Support News QEMU 9.0 Released with Raspberry Pi 4 Support, LoongArch KVM Acceleration