LXC
infrastructureLinux Containers — OS-level virtualisation method using cgroups and namespaces for isolated Linux environments
Pronunciation
Correct
EL-EX-SEE
/ˌɛlˌɛkˈsiː/
Spelled out as individual letters L-X-C. Stands for Linux Containers. Never pronounced as a word.
Source: linuxcontainers.org(official docs)