fileoperations
File operations, often referred to as file I/O, encompass the actions software performs to access, modify, and manage data stored in a filesystem. Core operations include opening a file, reading data, writing data, seeking within a file, and closing the file. Additional tasks include creating, deleting, renaming, copying, and moving files, as well as querying metadata such as size, timestamps, and permissions.
File access is mediated by the operating system; a program typically works with a file handle or
Programming interfaces vary by language and environment. Low-level POSIX I/O provides open, read, write, and close,
Durability and correctness considerations include flushing buffers (for example, via fsync or equivalent), ensuring atomicity of
Security and portability concerns cover validating paths to prevent directory traversal or unintended symlink following, enforcing