Mathematical Physics researcher. Linux user from 1996. C programmer from 1996 to 2002. Mainly oriented to shell programming, package management tools and in general to command line.
Unix & Linux
Q&A for users of Linux, FreeBSD and other Un*x-like operating systems
Mathematics
Q&A for people studying math at any level and professionals in related fields
Stack Overflow
Q&A for professional and enthusiast programmers
Mathematica
Q&A for users of Wolfram Mathematica
Ask Different
Q&A for power users of Apple hardware and software
TeX - LaTeX
Q&A for users of TeX, LaTeX, ConTeXt, and related typesetting systems
Physics
Q&A for active researchers, academics and students of physics
Photography
Q&A for professional, enthusiast and amateur photographers
elementary OS
Q&A for developers and users of elementary OS and applications
Super User
Q&A for computer enthusiasts and power users
Mathematics Educators
Q&A for those involved in the field of teaching mathematics
History of Science and Mathematics
Q&A for people interested in the history and origins of science and mathematics
Italian Language
Q&A for students, teachers, and linguists wanting to discuss the finer points of the Italian language
Android Enthusiasts
Q&A for enthusiasts and power users of the Android operating system
MathOverflow
Q&A for professional mathematicians
Music: Practice & Theory
Q&A for musicians, students, and enthusiasts
Writing
Q&A for the craft of professional writing, including fiction, non-fiction, technical, scholarly, and commercial writing
Server Fault
Q&A for system and network administrators
Academia
Q&A for academics and those enrolled in higher education
Code Golf
Q&A for programming puzzle enthusiasts and code golfers