file attributes in os

1Name . It is the only information which is in human-readable form.
2Identifier. The file is identified by a unique tag(number) within file system.
3Type. It is needed for systems that support different types of files.
4Location. Pointer to file location on device.
5Size. The current size of the file.
6Protection. This controls and assigns the power of reading, writing, executing.
7Time, date, and user identification. This is the data for protection, security, and usage monitoring.