October 2010
Beginner to intermediate
624 pages
24h 9m
English
Content preview from Making SoftwareBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Past Skirmishes
The very ink with which all history is written is merely fluid prejudice.
—Mark Twain
Researchers have been studying the quality attributes of operating system code for more than two decades [Henry and Kafura 1981], [Yu et al. 2004]. Particularly close to the work you’re reading here are comparative studies of open source operating systems [Yu et al. 2006], [Izurieta and Bieman 2006], and studies comparing open and closed source systems [Stamelos et al. 2002], [Paulson et al. 2004], [Samoladas et al. 2004].
A comparison of maintainability attributes between the Linux and various Berkeley Software Distribution (BSD) operating systems found that Linux contained more instances of module communication through global variables (known as common coupling) than the BSD variants. The results I report here corroborate this finding for file-scoped identifiers, but not for global identifiers (see Figure 15-11). Furthermore, an evaluation of growth dynamics of the FreeBSD and Linux operating systems found that both grow at a linear rate, and that claims of open source systems growing at a faster rate than commercial systems are unfounded [Izurieta and Bieman 2006].
A study by Paulson and his colleagues [Paulson et al. 2004] compares evolutionary patterns between three open source projects (Linux, GCC, and Apache) and three non-disclosed commercial ones. They found a faster rate of bug fixing and feature addition in the open source projects, which is something we would expect for ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.