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Full Discussion: Comparing Version Numbers
Top Forums UNIX for Dummies Questions & Answers Comparing Version Numbers Post 302269322 by nj78 on Wednesday 17th of December 2008 11:25:30 AM
Old 12-17-2008
Maybe it's in case software is running in a NFS mounted system on different systems.

Say you have AIX, you could capture the output of "oslevel" and run a test against it in the script. Actually probably better to use "uname -a" for portability.
 

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mountd(1M)																mountd(1M)

NAME
mountd, rpc.mountd - server for NFS mount requests and NFS access checks SYNOPSIS
n] DESCRIPTION
is an RPC server that answers requests for NFS access information and file system mount requests. It reads the file to determine which file systems are available for mounting by which remote machines. See sharetab(4). running on the local server will contact the first time an NFS client tries to access the file system to determine whether the client should get read-write, read-only, or no access. This access can be dependent on the security mode used in the remote procedure call from the client. See share_nfs(1M). The command also provides information as to what file systems are mounted by which clients. This information can be printed using the showmount(1M) command. The daemon is automatically invoked if and in Only superuser can run the daemon. Options The following options are supported: This is an obsolete option. All messages and errors are logged to Reject mount requests from clients. Clients that have file systems mounted will not be affected. Specify tracing level n, where n can have one of the following values: Errors only (default). Errors, requests handled by mountd, results, and the names of the main functions leading to the result Run the command in verbose mode. Each time determines what access a client should get, it will log the result to the as well as the names of the main functions leading to the result. WARNINGS
If is running, must also be running in order to be assured that the NFS server can respond to requests. Some routines that compare hostnames use case-sensitive string comparisons; some do not. If an incoming request fails, verify that the case of the hostname in the file to be parsed matches the case of the hostname called for, and attempt the request again. If a client crashes, executing on the server will show that the client still has a file system mounted. In other words, stale entries may accumulate in for clients that crash without sending an unmount request. Also, if a client mounts the same remote directory twice, only one entry appears in Doing a of one of these directories removes the single entry and no longer indicates that the remote directory is mounted. AUTHOR
was developed by Sun Microsystems, Inc. FILES
shared file system table list of all hosts having file systems mounted from this machine rpc.mountd log file for messages and errors SEE ALSO
nfsd(1M), share(1M), share_nfs(1M), showmount(1M), sharetab(4). mountd(1M)
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