06-16-2014
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File extensions DO NOT have meaning necessarily to a UNIX OS. This is a Windows thing primarily. Some windows-like Linux desktops can be set up to associate certain applications with a file extension. .mp3, for example, may be associated with whatever media application you have.
Programmers often attach meaningful extensions so that someone seeing the file knows what is in it: foo.dat script.sh script1.ksh. Those extensions do not make or break the function of the file like they do in Windows. In Windows if you rename a file like foo.xlsx - an Excel file - to foo.junk then the Windows OS will not open the file using Excel automatically. You get warning messages when you rename files on Windows because of this very issue. Not on UNIX.
-q
Is a command line parameter, an option. You have to read the script to understand what effect -q has on the logic of the shell script. Nobody here can tell you what it does, anything we said would be a pure guess - if we got it right it would be an accident.
This User Gave Thanks to jim mcnamara For This Post:
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LEARN ABOUT OPENSOLARIS
smbfs
smbfs(7FS) File Systems smbfs(7FS)
NAME
smbfs - CIFS/SMB file system
DESCRIPTION
The smbfs file system allows you to mount CIFS shares that are exported from Windows or compatible systems. SMB is the historical name for
the CIFS protocol, which stands for Server Message Block and is more commonly used in technical contexts.
The smbfs file system permits ordinary UNIX applications to change directory into an smbfs mount and perform simple file and directory
operations. Supported operations include open, close, read, write, rename, delete, mkdir, rmdir and ls.
Limitations
Some local UNIX file systems (for example UFS) have features that are not supported by smbfs. These include:
o A server disconnect is not automatically reconnected.
o No mapped-file access because mmap(2) returns ENOSYS.
o Locking is local only and is not sent to the server.
The following are limitations in the CIFS protocol:
o unlink() or rename() of open files returns EBUSY.
o rename() of extended attribute files returns EINVAL.
o Creation of files with any of the following illegal characters returns EINVAL: colon (:), backslash (), slash (/), asterisk
(*), question mark (?), double quote ("), less than (<), greater than (>), and vertical bar (|).
o chmod and chown settings are silently discarded.
o Links are not supported.
o Symbolic links are not supported.
o mknod is not supported. (Only file and directory objects are supported.)
The current smbfs implementation does not support multi-user mounts. Instead, each Unix user needs to make their own private mount points.
Currently, all access through an smbfs mount point uses the Windows credentials established by the user that ran the mount command. Nor-
mally, permissions on smbfs mount points should be 0700 to prevent Unix users from using each others' Windows credentials. See the diperms
option to mount_smbfs(1M) for details regarding how to control smbfs mount point permissions.
An important implication of this limitation is that system-wide mounts, such as those made using /etc/vfstab or automount maps are only
useful in cases where access control is not a concern, such as for public read-only resources.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-------------------------+---------------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-------------------------+---------------------------------+
|Availability | SUNWsmbfsu |
+-------------------------+---------------------------------+
|Interface Stability | Uncommitted |
+-------------------------+---------------------------------+
SEE ALSO
smbutil(1), mount_smbfs(1M), nsmbrc(4), attributes(5)
SunOS 5.11 3 Feb 2009 smbfs(7FS)