For Linux Portable !free! - Download Questasim

For a program to be truly portable on Linux, it must bundle all its required libraries with the executable. QuestaSim relies heavily on specific versions of system libraries (such as glibc , libX11 , and libfreetype ). If a user attempts to run a "portable" copy from a USB drive on a different Linux distribution (e.g., moving from Ubuntu to Fedora), the software will often crash due to missing dependencies or version mismatches. Unlike Windows, where DLLs can often be placed in the same folder as the executable, Linux requires specific paths ( LD_LIBRARY_PATH ) to be set, complicating the "plug-and-play" model.

If you already installed it locally, you can copy the entire directory: download questasim for linux portable

Example: