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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12Files, Part 2: Directories, File Systems, and Links
Directories are the counterparts to files. Files are containers of information, while directories are containers of files. Directories can be nested inside of other directories, giving the hierarchical structure to the file system. The file system itself is conceptually built upon data blocks which store information, and inodes that store metadata. Both files and directories make use of data blocks and inodes. Links (hard links and symbolic links) allow a file or directory to appear in more than one location.
Directories
Compared to files, there is very little that can be done to directories. You can create them, remove them, and iterate through their contents.
Creation and destruction
int ...
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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.