文件的属性 Attribute Meaning ProtectionWho can access the file and in what way Password Password needed to access the file Creator ID of the person who created the file Owner Current owner Read-only flag o for read/write; 1 for read only idden fla o for normal; 1 for do not display in listings System flag O for normal files: 1 for system file Archive fl nlag 0 for has been backed up: 1 for needs to be backed up ASCI/binary flag o for ASCll file; 1 for binary file Random access flag 0 for sequential access only; 1 for random access Temporary flag o for normal; 1 for delete file on process exit Lock flags I O for unlocked; nonzero for locked Record length Number of bytes in a record Key position Offset of the key within each record Key length Number of bytes in the key field Creation time Date and time the file was created Time of last access Date and time the file was last accessed Time of last change Date and time the file has last changed Current size Number of bytes in the file Maximum size Number of bytes the file may grow to 2002-7-5 第五章分布式文件管理 7 东北大学软件所于戈2002-7-5 东北大学软件所 于戈 第五章 分布式文件管理 7 文件的属性