Mac users are very proud of their oh-so-shiny operating system and hardware. They have to be. Mac users paid good money for their system, and it would be quite a big waste of they weren’t proud of it.

The more extreme Mac users will go around and talk about how inconsistent Linux is and how the entire Linux community doesn’t give a hoot about consistency.

While it is true that not all applications have consistent user interfaces, due to different widget tookits, it is possible to achieve basic consistency with either one of the below methods:

• Only use applications that use the same widget toolkit as all the other applications on your system.

• Use something like GTK-Qt to achieve consistency with multiple widget toolkits.

More here