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default_fs(4) [opensolaris man page]

default_fs(4)							   File Formats 						     default_fs(4)

NAME
default_fs, fs - specify the default file system type for local or remote file systems DESCRIPTION
When file system administration commands have both specific and generic components (for example, fsck(1M)), the file system type must be specified. If it is not explicitly specified using the -F FSType command line option, the generic command looks in /etc/vfstab in order to determine the file system type, using the supplied raw or block device or mount point. If the file system type can not be determined by searching /etc/vfstab, the command will use the default file system type specified in either /etc/default/fs or /etc/dfs/dfstypes, depend- ing on whether the file system is local or remote. The default local file system type is specified in /etc/default/fs by a line of the form LOCAL=fstype (for example, LOCAL=ufs). The default remote file system type is determined by the first entry in the /etc/dfs/fstypes file. File system administration commands will determine whether the file system is local or remote by examining the specified device name. If the device name starts with ``/'' (slash), it is considered to be local; otherwise it is remote. The default file system types can be changed by editing the default files with a text editor. FILES
/etc/vfstab list of default parameters for each file system /etc/default/fs the default local file system type /etc/dfs/fstypes the default remote file system type SEE ALSO
fsck(1M), fstypes(4), vfstab(4) SunOS 5.11 20 Mar 1992 default_fs(4)

Check Out this Related Man Page

unshare(1M)						  System Administration Commands					       unshare(1M)

NAME
unshare - make local resource unavailable for mounting by remote systems SYNOPSIS
unshare [-F FSType] [-o specific_options] [pathname | resourcename] DESCRIPTION
The unshare command makes a shared local resource unavailable as file system type FSType. If the option -FFSType is omitted, then the first file system type listed in file /etc/dfs/fstypes will be used as the default. Specific_options, as well as the semantics of resourcename, are specific to particular distributed file systems. OPTIONS
-F FSType Specify the file system type. -o specific_options Specify options specific to the file system provided by the -F option. FILES
/etc/dfs/fstypes /etc/dfs/sharetab ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
share(1M), shareall(1M), attributes(5) NOTES
If pathname or resourcename is not found in the shared information, an error message will be sent to standard error. When an unshare command completes successfully, a client mounting a file system specified in that unshare command no longer has access to that file system. SunOS 5.10 6 Nov 2000 unshare(1M)

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