怎么识别各类型的文件系统，有没有标识号什么的？

music_zyw

我找到了给类磁盘分区的标识号，说可以判别磁盘分区；但我现在想问问有没有给类型文件系统的标识号，或者说怎么识别各类文件系统？

gvim

一般有文件系统幻数可以找，但是每个系统存幻数的位置不标准。

music_zyw

文件系统的幻数一般应该在这个分区的第一扇区是不是？但我分析了D盘的第一扇区，也没有发现文件系统幻数！D的第一扇区如下：

music_zyw

我找到一个程序，里面有对文件系统的识别，但是没发现我要的，我的是1D和1E，它里面没有定义

gvim

每种文件系统不一样

ulovko

1. 
   
2. ko# less /usr/src/sbin/fdisk/fdisk.c
   
3. /*
   
4. * A list of partition types, probably outdated.
   
5. */
   
6. static const char *const part_types[256] = {
   
7.         [0x00] = "unused",
   
8.         [0x01] = "Primary DOS with 12 bit FAT",
   
9.         [0x02] = "XENIX / file system",
   
10.         [0x03] = "XENIX /usr file system",
    
11.         [0x04] = "Primary DOS with 16 bit FAT (< 32MB)",
    
12.         [0x05] = "Extended DOS",
    
13.         [0x06] = "Primary DOS, 16 bit FAT (>= 32MB)",
    
14.         [0x07] = "NTFS, OS/2 HPFS, QNX-2 (16 bit) or Advanced UNIX",
    
15.         [0x08] = "AIX file system or SplitDrive",
    
16.         [0x09] = "AIX boot partition or Coherent",
    
17.         [0x0A] = "OS/2 Boot Manager, OPUS or Coherent swap",
    
18.         [0x0B] = "DOS or Windows 95 with 32 bit FAT",
    
19.         [0x0C] = "DOS or Windows 95 with 32 bit FAT (LBA)",
    
20.         [0x0E] = "Primary 'big' DOS (>= 32MB, LBA)",
    
21.         [0x0F] = "Extended DOS (LBA)",
    
22.         [0x10] = "OPUS",
    
23.         [0x11] = "OS/2 BM: hidden DOS with 12-bit FAT",
    
24.         [0x12] = "Compaq diagnostics",
    
25.         [0x14] = "OS/2 BM: hidden DOS with 16-bit FAT (< 32MB)",
    
26.         [0x16] = "OS/2 BM: hidden DOS with 16-bit FAT (>= 32MB)",
    
27.         [0x17] = "OS/2 BM: hidden IFS (e.g. HPFS)",
    
28.         [0x18] = "AST Windows swapfile",
    
29.         [0x1b] = "ASUS Recovery partition (NTFS)",
    
30.         [0x24] = "NEC DOS",
    
31.         [0x3C] = "PartitionMagic recovery",
    
32.         [0x39] = "plan9",
    
33.         [0x40] = "VENIX 286",
    
34.         [0x41] = "Linux/MINIX (sharing disk with DRDOS)",
    
35.         [0x42] = "SFS or Linux swap (sharing disk with DRDOS)",
    
36.         [0x43] = "Linux native (sharing disk with DRDOS)",
    
37.         [0x4D] = "QNX 4.2 Primary",
    
38.         [0x4E] = "QNX 4.2 Secondary",
    
39.         [0x4F] = "QNX 4.2 Tertiary",
    
40.         [0x50] = "DM (disk manager)",
    
41.         [0x51] = "DM6 Aux1 (or Novell)",
    
42.         [0x52] = "CP/M or Microport SysV/AT",
    
43.         [0x53] = "DM6 Aux3",
    
44.         [0x54] = "DM6",
    
45.         [0x55] = "EZ-Drive (disk manager)",
    
46.         [0x56] = "Golden Bow (disk manager)",
    
47.         [0x5c] = "Priam Edisk (disk manager)", /* according to S. Widlake */
    
48.         [0x61] = "SpeedStor",
    
49.         [0x63] = "System V/386 (such as ISC UNIX), GNU HURD or Mach",
    
50.         [0x64] = "Novell Netware/286 2.xx",
    
51.         [0x65] = "Novell Netware/386 3.xx",
    
52.         [0x70] = "DiskSecure Multi-Boot",
    
53.         [0x75] = "PCIX",
    
54.         [0x77] = "QNX4.x",
    
55.         [0x78] = "QNX4.x 2nd part",
    
56.         [0x79] = "QNX4.x 3rd part",
    
57.         [0x80] = "Minix until 1.4a",
    
58.         [0x81] = "Minix since 1.4b, early Linux partition or Mitac disk manager",
    
59.         [0x82] = "Linux swap or Solaris x86",
    
60.         [0x83] = "Linux native",
    
61.         [0x84] = "OS/2 hidden C: drive",
    
62.         [0x85] = "Linux extended",
    
63.         [0x86] = "NTFS volume set??",
    
64.         [0x87] = "NTFS volume set??",
    
65.         [0x93] = "Amoeba file system",
    
66.         [0x94] = "Amoeba bad block table",
    
67.         [0x9F] = "BSD/OS",
    
68.         [0xA0] = "Suspend to Disk",
    
69.         [0xA5] = "FreeBSD/NetBSD/386BSD",
    
70.         [0xA6] = "OpenBSD",
    
71.         [0xA7] = "NeXTSTEP",
    
72.         [0xA9] = "NetBSD",
    
73.         [0xAC] = "IBM JFS",
    
74.         [0xAF] = "HFS+",
    
75.         [0xB7] = "BSDI BSD/386 file system",
    
76.         [0xB8] = "BSDI BSD/386 swap",
    
77.         [0xBE] = "Solaris x86 boot",
    
78.         [0xBF] = "Solaris x86 (new)",
    
79.         [0xC1] = "DRDOS/sec with 12-bit FAT",
    
80.         [0xC4] = "DRDOS/sec with 16-bit FAT (< 32MB)",
    
81.         [0xC6] = "DRDOS/sec with 16-bit FAT (>= 32MB)",
    
82.         [0xC7] = "Syrinx",
    
83.         [0xDB] = "CP/M, Concurrent CP/M, Concurrent DOS or CTOS",
    
84.         [0xDE] = "DELL Utilities - FAT filesystem",
    
85.         [0xE1] = "DOS access or SpeedStor with 12-bit FAT extended partition",
    
86.         [0xE3] = "DOS R/O or SpeedStor",
    
87.         [0xE4] = "SpeedStor with 16-bit FAT extended partition < 1024 cyl.",
    
88.         [0xEB] = "BeOS file system",
    
89.         [0xEE] = "EFI GPT",
    
90.         [0xEF] = "EFI System Partition",
    
91.         [0xF1] = "SpeedStor",
    
92.         [0xF2] = "DOS 3.3+ Secondary",
    
93.         [0xF4] = "SpeedStor large partition",
    
94.         [0xFE] = "SpeedStor >1024 cyl. or LANstep",
    
95.         [0xFF] = "Xenix bad blocks table",
    
96. };
    

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music_zyw

谢谢 ulovko  提供的信息！