en:docs:dos:api:int21:43:01

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en:docs:dos:api:int21:43:01 [2021/04/30 05:37] – created prokusheven:docs:dos:api:int21:43:01 [2024/05/02 08:25] (current) – prokushev
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 ===== Notes ===== ===== Notes =====
  
-  will not change volume label or directory attribute bits, but will +will not change volume label or directory attribute bits, but will change the other attribute bits of a directory (the directory bit must be cleared to successfully change the other attributes of a directory, but the directory will not be changed to a normal file as a result) 
-          change the other attribute bits of a directory (the directory +           
-          bit must be cleared to successfully change the other attributes of a +MS-DOS 4.01 reportedly closes the file if it is currently open 
-          directory, but the directory will not be changed to a normal file as +         
-          a result) +for security reasons, the Novell NetWare execute-only bit can never be cleared; the file must be deleted and recreated 
-        MS-DOS 4.01 reportedly closes the file if it is currently open +           
-        for security reasons, the Novell NetWare execute-only bit can never +under the FlashTek X-32 DOS extender, the filename pointer is in DS:EDX 
-          be cleared; the file must be deleted and recreated +         
-        under the FlashTek X-32 DOS extender, the filename pointer is in DS:EDX +DOS 5.0 SHARE will close the file if it is currently open in sharing-compatibility mode, otherwise a sharing violation critical error is generated if the file is currently open 
-        DOS 5.0 SHARE will close the file if it is currently open in sharing- +           
-          compatibility mode, otherwise a sharing violation critical error is +DR DOS 3.41/5.0 will silently ignore attempts to change the 'directory' attribute bit
-          generated if the file is currently open +
-        DR DOS 3.41/5.0 will silently ignore attempts to change the 'directory' +
-          attribute bit+
  
 Bitfields for file attributes: Bitfields for file attributes:
-Bit(s)  Description     (Table 01420) + 
- 7      shareable (Novell NetWare) +^ Bit(s) ^ Description ^ 
- 7      pending deleted files (Novell DOS, OpenDOS) +| 7 | shareable (Novell NetWare) | 
- 6      unused +| 7 | pending deleted files (Novell DOS, OpenDOS) | 
- 5      archive +| 6 | unused | 
- 4      directory +| 5 | archive | 
- 3      volume label +| 4 | directory | 
-        execute-only (Novell NetWare) +| 3 | volume label | 
- 2      system +| 3 | execute-only (Novell NetWare) | 
- 1      hidden +| 2 | system | 
- 0      read-only+| 1 | hidden | 
 +| 0 | read-only |
  
 ===== See also ===== ===== See also =====
  
- AX=4300h,AX=4311h,AX=7143h,INT 2F/AX=110Eh+AX=[[en:docs:dos:api:int21:43:00|4300h]],AX=[[en:docs:dos:api:int21:71:43|7143h]],INT 2F/AX=110Eh
  
 ===== Note ===== ===== Note =====