One should note, that the command-line part of the OS was not that different to Unix/Linux. The commands had different names, but a Unix user will feel at home

One should note, that the command-line part of the OS was not that different to Unix/Linux. The commands had different names, but a Unix user will feel at home rather quickly. Threre was also a project to bring POSIX to AmigaOS and the GNU devtools. Now, the architecture is different, of course, but familiar.