05-02-2008
VMware should allow direct access to serial ports. At least I can access my USB devices directly from my VMs. Yes, VMware supplies the system within the VM with a "generic" virtual computer with very common hardware. Your real hardware does not matter (you need drivers for the host OS of course). For batch jobs performance of guest OS should not be much less than host OS, VMware is quite efficient.
I've been using VMware for some systems which aren't too busy and I'm quite satisfied.
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LEARN ABOUT CENTOS
mkfs.bfs
MKFS.BFS(8) System Administration MKFS.BFS(8)
NAME
mkfs.bfs - make an SCO bfs filesystem
SYNOPSIS
mkfs.bfs [options] device [block-count]
DESCRIPTION
mkfs.bfs creates an SCO bfs filesystem on a block device (usually a disk partition or a file accessed via the loop device).
The block-count parameter is the desired size of the filesystem, in blocks. If nothing is specified, the entire partition will be used.
OPTIONS
-N, --inodes number
Specify the desired number of inodes (at most 512). If nothing is specified, some default number in the range 48-512 is picked
depending on the size of the partition.
-V, --vname label
Specify the volume label. I have no idea if/where this is used.
-F, --fname name
Specify the filesystem name. I have no idea if/where this is used.
-v, --verbose
Explain what is being done.
-c This option is silently ignored.
-l This option is silently ignored.
-h, --help
Display help text and exit.
-V, --version
Display version information and exit. Option -V only works as --version when it is the only option.
EXIT CODES
The exit code returned by mkfs.bfs is 0 when all went well, and 1 when something went wrong.
SEE ALSO
mkfs(8)
AVAILABILITY
The mkfs.bfs command is part of the util-linux package and is available from https://www.kernel.org/pub/linux/utils/util-linux/.
util-linux July 2011 MKFS.BFS(8)