The Cost Of UNIX Post: 2737

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Top Forums UNIX for Dummies Questions & Answers The Cost Of UNIX Post 2737 by PxT on Thursday 31st of May 2001 05:02:31 PM

05-31-2001

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From http://droflet.net/unix_dot_com_faq.html

Q: I have a spare Intel box to install Unix on, which version is the best?

A: There is no single "best" vendor. Intel machines can run Linux, *BSD, and Solaris. Linux is available from various vendors such as Redhat, Mandrake, Suse, Slackware, Debian, etc. Solaris costs approximately $75 for the source media, or you can download it for free from Sun's website. The download is approximately 800 megabytes. Other distributions range from $5 on up depending on the level of support you get with it. Many may also be downloaded for free from the Internet. If your goal is to simply learn Unix, any distribution will probably work. If you have a specific purpose in mind, please research the appropriate vendor websites to determine if their product will meet your needs.

PxT

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LEARN ABOUT DEBIAN

switch_root

SWITCH_ROOT(8)						       System Administration						    SWITCH_ROOT(8)

NAME

       switch_root - switch to another filesystem as the root of the mount tree

SYNOPSIS

       switch_root [-hV]

       switch_root newroot init [arg...]

DESCRIPTION

       switch_root moves already mounted /proc, /dev and /sys to newroot and makes newroot the new root filesystem and starts init process.

       WARNING: switch_root removes recursively all files and directories on the current root filesystem.

OPTIONS

       -h, --help
	      show help and exit

       -V, --version
	      show version number and exit

RETURN VALUE

       switch_root returns 0 on success and 1 on failure.

NOTES

       switch_root  will  fail	to  function if newroot is not the root of a mount. If you want to switch root into a directory that does not meet
       this requirement then you can first use a bind-mounting trick to turn any directory into a mount point:

	      mount --bind $DIR $DIR

SEE ALSO

       mount(8) chroot(2) init(8) mkinitrd(8)

AUTHORS

       Peter Jones <pjones@redhat.com>
       Jeremy Katz <katzj@redhat.com>
       Karel Zak <kzak@redhat.com>

AVAILABILITY

       The switch_root command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/.

util-linux							     June 2009							    SWITCH_ROOT(8)