xref: /titanic_50/usr/src/man/man7fs/udfs.7fs (revision ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2ab)
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Copyright (c) 1999 Sun Microsystems, Inc.
All Rights Reserved.
The contents of this file are subject to the terms of the Common Development and Distribution License (the "License"). You may not use this file except in compliance with the License.
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When distributing Covered Code, include this CDDL HEADER in each file and include the License file at usr/src/OPENSOLARIS.LICENSE. If applicable, add the following below this CDDL HEADER, with the fields enclosed by brackets "[]" replaced with your own identifying information: Portions Copyright [yyyy] [name of copyright owner]
UDFS 7FS "Mar 29, 1999"
NAME
udfs - universal disk format file system
DESCRIPTION

The udfs file system is a file system type that allows user access to files on Universal Disk Format (UDF) disks from within the Solaris operating environment. Once mounted, a udfs file system provides standard Solaris file system operations and semantics. That is, users can read files, write files, and list files in a directory on a UDF device and applications can use standard UNIX system calls on these files and directories.

Because udfs is a platform-independent file system, the same media can be written to and read from by any operating system or vendor.

"Mounting File Systems"

udfs file systems are mounted using:

mount-F udfs -o rw/ro device-special

Use:

mount /udfs

if the /udfs and device special file /dev/dsk/c0t6d0s0 are valid and the following line (or similar line) appears in your /etc/vfstab file:

/dev/dsk/c0t6d0s0 - /udfs udfs - no ro

The udfs file system provides read-only support for ROM, RAM, and sequentially-recordable media and read-write support on RAM media.

The udfs file system also supports regular files, directories, and symbolic links, as well as device nodes such as block, character, FIFO, and Socket.

SEE ALSO

mount(1M), mount_udfs(1M), vfstab(4)

NOTES

Invalid characters such as "NULL" and "/" and invalid file names such as "." and ".." will be translated according to the following rule:

Replace the invalid character with an "_," then append the file name with # followed by a 4 digit hex representation of the 16-bit CRC of the original FileIdentifier. For example, the file name ".." will become "__#4C05"