fs(5) - f7

1FILESYSTEMS(5)             Linux Programmer's Manual            FILESYSTEMS(5)
2
3
4

NAME

6       filesystems  -  Linux  filesystem  types:  minix, ext, ext2, ext3, xia,
7       msdos, umsdos, vfat, proc, nfs, iso9660, hpfs, sysv, smb, ncpfs
8

DESCRIPTION

10       When, as is customary, the proc filesystem is mounted on /proc, you can
11       find  in  the  file  /proc/filesystems  which  filesystems  your kernel
12       currently supports.  If you need a currently  unsupported  one,  insert
13       the corresponding module or recompile the kernel.
14
15       In  order  to  use a filesystem, you have to mount it, see mount(8) for
16       the mount command, and for the available mount options.
17
18       Below a short description of a few of the available filesystems.
19
20
21       minix  is the filesystem used in the Minix operating system, the  first
22              to  run  under  Linux.   It has a number of shortcomings: a 64MB
23              partition size limit, short filenames, a single time stamp, etc.
24              It remains useful for floppies and RAM disks.
25
26       ext    is  an elaborate extension of the minix filesystem.  It has been
27              completely superseded by the  second  version  of  the  extended
28              filesystem  (ext2)  and  has  been  removed  from the kernel (in
29              2.1.21).
30
31       ext2   is the high performance disk filesystem used by Linux for  fixed
32              disks   as   well  as  removable  media.   The  second  extended
33              filesystem was designed as an extension  of  the  extended  file
34              system  (ext).   ext2  offers  the best performance (in terms of
35              speed and CPU usage) of the filesystems supported under Linux.
36
37       ext3   is a journaling version of the ext2 filesystem. It  is  easy  to
38              switch  back  and  forth  between ext2 and ext3. ext3 offers the
39              most  complete  set  of  journaling  options   available   among
40              journaling filesystems.
41
42       xiafs  was  designed and implemented to be a stable, safe filesystem by
43              extending the Minix filesystem code.  It provides the basic most
44              requested features without undue complexity.  The xia filesystem
45              is no longer actively developed or maintained.  It  was  removed
46              from the kernel in 2.1.21.
47
48       msdos  is the filesystem used by DOS, Windows, and some OS/2 computers.
49              msdos filenames can be no longer than 8 characters, followed  by
50              an optional period and 3 character extension.
51
52       umsdos is an extended DOS filesystem used by Linux.  It adds capability
53              for long filenames,  UID/GID,  POSIX  permissions,  and  special
54              files  (devices,  named  pipes, etc.)  under the DOS filesystem,
55              without sacrificing compatibility with DOS.
56
57       vfat   is an extended DOS filesystem used by  Microsoft  Windows95  and
58              Windows  NT.   VFAT  adds  the  capability to use long filenames
59              under the MSDOS filesystem.
60
61       proc   is a pseudo-filesystem which is used as an interface  to  kernel
62              data  structures rather than reading and interpreting /dev/kmem.
63              In particular, its files do not take disk space. See proc(5).
64
65       iso9660
66              is a CD-ROM filesystem type conforming to the ISO 9660 standard.
67
68              High Sierra
69                     Linux supports High Sierra, the precursor to the ISO 9660
70                     standard  for  CD-ROM  filesystems.   It is automatically
71                     recognized within the iso9660  filesystem  support  under
72                     Linux.
73
74              Rock Ridge
75                     Linux  also  supports  the  System  Use  Sharing Protocol
76                     records specified by the Rock Ridge Interchange Protocol.
77                     They  are  used  to  further  describe  the  files in the
78                     iso9660  filesystem  to  a   UNIX   host,   and   provide
79                     information   such  as  long  filenames,  UID/GID,  POSIX
80                     permissions, and devices.  It is automatically recognized
81                     within the iso9660 filesystem support under Linux.
82
83       hpfs   is   the  High  Performance  Filesystem,  used  in  OS/2.   This
84              filesystem is read-only under Linux due to the lack of available
85              documentation.
86
87       sysv   is  an  implementation  of  the  SystemV/Coherent filesystem for
88              Linux.  It implements all  of  Xenix  FS,  SystemV/386  FS,  and
89              Coherent FS.
90
91       nfs    is the network filesystem used to access disks located on remote
92              computers.
93
94       smb    is a network filesystem that supports the SMB protocol, used  by
95              Windows for Workgroups, Windows NT, and Lan Manager.
96
97              To  use  smb  fs, you need a special mount program, which can be
98              found     in     the     ksmbfs      package,      found      at
99              ftp://sunsite.unc.edu/pub/Linux/system/Filesystems/smbfs.
100
101       ncpfs  is  a network filesystem that supports the NCP protocol, used by
102              Novell NetWare.
103
104              To use ncpfs, you need special programs, which can be  found  at
105              ftp://linux01.gwdg.de/pub/ncpfs.
106

NAME

DESCRIPTION

SEE ALSO