August 2011
Intermediate to advanced
552 pages
23h 48m
English
Content preview from Advanced Mac OS X Programming: The Big Nerd Ranch GuideBecome 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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11Files, Part 1: I/O and Permissions
Files are the permanent storage for the data that your programs generate. The verbs of handling files are similar to most every other common platform: open, read, write, seek to a particular location, close, with some added nuances that live in the details.
The idea of a file is a fundamental Unix concept. Pretty much everything is treated as a file. Ordinary “write the bits for a jpeg photo” go to files in the file system. Network connections are treated as files. Manipulating some physical devices is done with file operations. Interacting with the terminal is done the same way. Many forms of interprocess communication happen through logical files. This is pretty nice, being able to use the same API 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.