0001 # SPDX-License-Identifier: GPL-2.0-only
0002 config SYSV_FS
0003 tristate "System V/Xenix/V7/Coherent file system support"
0004 depends on BLOCK
0005 help
0006 SCO, Xenix and Coherent are commercial Unix systems for Intel
0007 machines, and Version 7 was used on the DEC PDP-11. Saying Y
0008 here would allow you to read from their floppies and hard disk
0009 partitions.
0010
0011 If you have floppies or hard disk partitions like that, it is likely
0012 that they contain binaries from those other Unix systems; in order
0013 to run these binaries, you will want to install linux-abi which is
0014 a set of kernel modules that lets you run SCO, Xenix, Wyse,
0015 UnixWare, Dell Unix and System V programs under Linux. It is
0016 available via FTP (user: ftp) from
0017 <ftp://ftp.openlinux.org/pub/people/hch/linux-abi/>).
0018 NOTE: that will work only for binaries from Intel-based systems;
0019 PDP ones will have to wait until somebody ports Linux to -11 ;-)
0020
0021 If you only intend to mount files from some other Unix over the
0022 network using NFS, you don't need the System V file system support
0023 (but you need NFS file system support obviously).
0024
0025 Note that this option is generally not needed for floppies, since a
0026 good portable way to transport files and directories between unixes
0027 (and even other operating systems) is given by the tar program ("man
0028 tar" or preferably "info tar"). Note also that this option has
0029 nothing whatsoever to do with the option "System V IPC". Read about
0030 the System V file system in
0031 <file:Documentation/filesystems/sysv-fs.rst>.
0032 Saying Y here will enlarge your kernel by about 27 KB.
0033
0034 To compile this as a module, choose M here: the module will be called
0035 sysv.
0036
0037 If you haven't heard about all of this before, it's safe to say N.
