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Simplicity in Abstraction: Mastering File System Operations
SQLite’s Disk File System (DFS) functions as a UNIX-like abstraction that allows basic file operations including creating, deleting, and truncating files. It uses a simple file handle mechanism that treats the file system operations, such as reading and writing, as an opaque entity. Additionally, the SQL Sync Virtual File System (VFS) enhances this by maintaining a layered structure that includes a 'snapshot' of the fully committed SQLite database, ensuring data integrity across operations.