Operating systems notes
Files & Directories
The named, persistent byte-stream you have been reading and writing all along, and the machinery hiding behind the name. Every section is a drawn page beside a clear written explanation, about 17 minutes in all.
- Chapter 28 of 37
- About 17 minutes
- 8 sections
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In this chapter
- The file: a named, persistent stream of bytes
- File operations & how an fd becomes bytes on disk
- File metadata & the inode
- Directories & path resolution
- Hard links vs symbolic links
- Permissions & ownership
- Mounting & the unified namespace
- Files for engineers
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