UDFS(4FS) 4FS UDFS(4FS)
- universal disk format file system
file system is a file system type that allows user access to files
on Universal Disk Format (UDF) disks from within illumos. Once mounted, a udfs
file system provides standard 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.
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
if the udfs
and device special file /dev/dsk/c0t6d0s0
are valid and the
following line (or similar line) appears in your Pa /etc/vfstab file:
/dev/dsk/c0t6d0s0 - /udfs udfs - no ro
file system provides read-only support for ROM, RAM, and
sequentially-recordable media and read-write support on RAM media.
file system also supports regular files, directories, and symbolic
links, as well as device nodes such as block, character, FIFO, and Socket.
SEE ALSO vfstab(5)
Invalid characters such as "\0" 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
. For example, the file name ".." will become
OmniOS June 20, 2021 OmniOS