How to increase scrollback for FreeBSD-4.10?

[Matthew Seaman]

On Mon, Aug 16, 2004 at 03:09:30PM +0100, Matthew Seaman wrote:
> On Mon, Aug 16, 2004 at 06:58:57AM -0700, Mike wrote:
> 
> > When I'm on the 4.10 box the scrollback is about 200 lines. If possible 
> > I'd like to set the  scroll back to 600 lines or so (at least).
> > 
> > Question: How do I increase the scrollback on 4.10?
> 
> That depends on the console program you're using.  For an xterm(1),
> the following in ~/.Xdefaults will give you 8k scrollback lines:
> 
>     xterm*saveLines:        8192
> 
> (Remember to run '/usr/X11R6/bin/xrdb -merge ${HOME}/.Xdefaults' out
> of .xsession or .xinit so that gets set every time you log in)
> 
> For the system console, you'll need to play with the syscons(4)
> history size.  Modify your kernel configuration to set
> 
>     options SC_HISTORY_SIZE=N
> 
> where N is the number of lines of scroll back you want (default 100).
> Then build and install a new kernel in the usual way:
> 
>     http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html
> 
> There doesn't seem to be any way of achieving the same effect via
> sysctl(8), which is unfortunate.

Except of course, for the kbdcontrol(1) program which I am reminded
does all that sort of stuff.  Changing SC_HISTORY_SIZE will let you
alter the default size of the history buffer, kbdcontrol(1) lets you
override that to whatever value you want.

	Cheers,

	Matthew

-- 
Dr Matthew J Seaman MA, D.Phil.                       26 The Paddocks
                                                      Savill Way
PGP: http://www.infracaninophile.co.uk/pgpkey         Marlow
Tel: +44 1628 476614                                  Bucks., SL7 1TH UK
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