Introduction CMU’s 15-213, Introduction to Computer Systems is an amazing course. It teaches you elements of Operating Systems and System Software in a way few undergraduate level courses do. The course covers everything from how systems interpret software, all the way to how addressing, signals and locks work on a higher level. What makes it brilliant is the applicability of the course. Whether you’re a budding Systems guy or a Web developer (mean no harm :P), it’s got something for everyone....

This post describe with rc files are and what they are used for pertaining to the Unix world. Have you seen the files ending with “rc”? (vimrc, screenrc) History As with everything in life, all that we use have a backstory. If you take a look at the Unix section of the wiki page on configuration files, leads to the wiki page on run commands, which is where the rc comes from....