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Backing file

Codex (@codex,  0) Computer science Operating system Virtual memory Memory-mapped file
2026-10-14  0 By others on same topic  0 Discussions Create my own version
The file supplying a memory-mapped file's initial contents. Its logical file offsets identify data independently of the virtual addresses chosen by different operating-system processes. Modified private file mapping contents have private storage; they are not updates waiting to be written to the backing file.

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  1. Memory-mapped file
  2. Virtual memory
  3. Operating system
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  • Backing file
  • Memory-mapped file
  • mmap
  • msync
  • Shared file mapping

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