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a = 10; is an example of a unary operation.
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share(1m) [xfree86 man page]

share(1M)																 share(1M)

NAME
share - make local resource available for mounting by remote systems SYNOPSIS
share [-F FSType] [-o specific_options] [-d description] [pathname] The share command exports, or makes a resource available for mounting, through a remote file system of type FSType. If the option -F FSType is omitted, the first file system type listed in /etc/dfs/fstypes is used as default. For a description of NFS specific options, see share_nfs(1M). pathname is the pathname of the directory to be shared. When invoked with no arguments, share displays all shared file sys- tems. -F FSType Specify the filesystem type. -o specific_options The specific_options are used to control access of the shared resource. (See share_nfs(1M) for the NFS specific options.) They may be any of the following: rw pathname is shared read/write to all clients. This is also the default behavior. rw=client[:client]... pathname is shared read/write only to the listed clients. No other systems can access pathname. ro pathname is shared read-only to all clients. ro=client[:client]... pathname is shared read-only only to the listed clients. No other systems can access pathname. Separate multiple options with commas. Separate multiple operands for an option with colons. See . -d description The -d flag may be used to provide a description of the resource being shared. Example 1: Sharing a Read-Only Filesystem This line will share the /disk file system read-only at boot time. share -F nfs -o ro /disk Example 2: Invoking Multiple Options The following command shares the filesystem /export/manuals, with members of the netgroup having read-only access and users on the speci- fied host having read-write access. share -F nfs -o ro=netgroup_name,rw=host1:host2:host3 /export/manuals /etc/dfs/dfstab list of share commands to be executed at boot time /etc/dfs/fstypes list of file system types, NFS by default /etc/dfs/sharetab system record of shared file systems See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ mountd(1M), nfsd(1M), share_nfs(1M), shareall(1M), unshare(1M), attributes(5) Export (old terminology): file system sharing used to be called exporting on SunOS 4.x, so the share command used to be invoked as exportfs(1B) or /usr/sbin/exportfs. If share commands are invoked multiple times on the same filesystem, the last share invocation supersedes the previous--the options set by the last share command replace the old options. For example, if read-write permission was given to usera on /somefs, then to give read- write permission also to userb on /somefs: example% share -F nfs -o rw=usera:userb /somefs This behavior is not limited to sharing the root filesystem, but applies to all filesystems. 9 Dec 2004 share(1M)

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share(1M)                                                                                                                                share(1M)

NAME
share - make local resource available for mounting by remote systems SYNOPSIS
share [-F FSType] [-o specific_options] [-d description] [pathname] The share command exports, or makes a resource available for mounting, through a remote file system of type FSType. If the option -F FSType is omitted, the first file system type listed in /etc/dfs/fstypes is used as default. For a description of NFS specific options, see share_nfs(1M). pathname is the pathname of the directory to be shared. When invoked with no arguments, share displays all shared file sys- tems. -F FSType Specify the filesystem type. -o specific_options The specific_options are used to control access of the shared resource. (See share_nfs(1M) for the NFS specific options.) They may be any of the following: rw pathname is shared read/write to all clients. This is also the default behavior. rw=client[:client]... pathname is shared read/write only to the listed clients. No other systems can access pathname. ro pathname is shared read-only to all clients. ro=client[:client]... pathname is shared read-only only to the listed clients. No other systems can access pathname. Separate multiple options with commas. Separate multiple operands for an option with colons. See . -d description The -d flag may be used to provide a description of the resource being shared. Example 1: Sharing a Read-Only Filesystem This line will share the /disk file system read-only at boot time. share -F nfs -o ro /disk Example 2: Invoking Multiple Options The following command shares the filesystem /export/manuals, with members of the netgroup having read-only access and users on the speci- fied host having read-write access. share -F nfs -o ro=netgroup_name,rw=host1:host2:host3 /export/manuals /etc/dfs/dfstab list of share commands to be executed at boot time /etc/dfs/fstypes list of file system types, NFS by default /etc/dfs/sharetab system record of shared file systems See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ mountd(1M), nfsd(1M), share_nfs(1M), shareall(1M), unshare(1M), attributes(5) Export (old terminology): file system sharing used to be called exporting on SunOS 4.x, so the share command used to be invoked as exportfs(1B) or /usr/sbin/exportfs. If share commands are invoked multiple times on the same filesystem, the last share invocation supersedes the previous--the options set by the last share command replace the old options. For example, if read-write permission was given to usera on /somefs, then to give read- write permission also to userb on /somefs: example% share -F nfs -o rw=usera:userb /somefs This behavior is not limited to sharing the root filesystem, but applies to all filesystems. 9 Dec 2004 share(1M)

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