Tag
file-offsets
- Mar 13, 2026 Open File Descriptions and the Offsets They Share Three separate kernel objects stand behind a file descriptor, and knowing which one carries the offset explains dup, fork, append mode, and why two opens of one file disagree about position. filesystems
- Apr 1, 2025 What a File Descriptor Is: An Index Into a Process Table The descriptor is a small integer indexing a per-process array of pointers, and that indirection explains dup, fork, close, and the shared-offset bugs that follow from each. systems programming