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attrib ATTRIB is a command, in DOS, OS/2 and Microsoft Windows that allows the user to change various characteristics, or "attributes" of a file or directory. ==Background== Several Microsoft operating systems provided a set of modifiable file characteristics that could be accessed and changed through a low-level system call. For example, as of release 4.0, the first six bits of the file attribute byte indicated whether or not a file was read-only (as opposed to writeable), hidden, a system file, a volume label, a subdirectory, or if the file had been "archived" (with the bit being set if the file had changed since the last use of the BACKUP command).〔 However, initial releases of the operating system did not provide user-level method for reading or changing these values.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「attrib」の詳細全文を読む
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