06-28-2011
xterm problem?
The terminfo is at: /usr/share/terminfo/ and xterm at: /usr/share/terminfo/x/xterm.
Ran file at the latter and get: /usr/share/terminfo/x/xterm: Compiled terminfo entry
So the system should know where it is at. Since man tic and tset are totally or partially unable to find or utilize that info then like infocmp says maybe they can't open it either.
BTW the xwindow I use is defined using xterm but has no problem visible when it is started up.
Yes, xterm is what $TERM should echo. I had thought that there should be a TERMINFO in the environment to point to /usr/share/terminfo/ but there is none. Can't find that it should be either.
I am going to google TERMINFO momentarily to see if that helps but tried that b4 to no avail maybe my search terms will change.
I found a /etc/initrc but all it did for xterm was to define the beginning/end of line code.
Further prowling took me to /etc/X11/xdm where Xsession and Xresources are defined.
That lead to the discovery that regular users have .xsession files. Tho this is a difference it coes not explain the identical actions for both user types.
Just discovered that "clear" receives an 'xterm ': unknown terminal type. for both root and regular users.
All of these messages together suggest that the xterm is not defined in the system. Infocmp .cannot open terminfo and find cannot locate termcaps so how does the system know anything about xterm? Yet /etc/X11/xdm/Xsession invokes /usr/bin/xterm where I would presume the system would learn of it or belch. I do not understand so need help.
Last edited by slak0; 06-29-2011 at 04:46 AM..
Reason: added info
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clear(1) General Commands Manual clear(1)
NAME
clear - clear the terminal screen
SYNOPSIS
clear [-Ttype] [-V] [-x]
DESCRIPTION
clear clears your screen if this is possible, including its scrollback buffer (if the extended "E3" capability is defined). clear looks in
the environment for the terminal type given by the environment variable TERM, and then in the terminfo database to determine how to clear
the screen.
clear writes to the standard output. You can redirect the standard output to a file (which prevents clear from actually clearing the
screen), and later cat the file to the screen, clearing it at that point.
OPTIONS
-T type
indicates the type of terminal. Normally this option is unnecessary, because the default is taken from the environment variable TERM.
If -T is specified, then the shell variables LINES and COLUMNS will also be ignored.
-V reports the version of ncurses which was used in this program, and exits. The options are as follows:
-x do not attempt to clear the terminal's scrollback buffer using the extended "E3" capability.
HISTORY
A clear command appeared in 2.79BSD dated February 24, 1979. Later that was provided in Unix 8th edition (1985).
AT&T adapted a different BSD program (tset) to make a new command (tput), and used this to replace the clear command with a shell script
which calls tput clear, e.g.,
/usr/bin/tput ${1:+-T$1} clear 2> /dev/null
exit
In 1989, when Keith Bostic revised the BSD tput command to make it similar to the AT&T tput, he added a shell script for the clear command:
exec tput clear
The remainder of the script in each case is a copyright notice.
The ncurses clear command began in 1995 by adapting the original BSD clear command (with terminfo, of course).
The E3 extension came later:
o In June 1999, xterm provided an extension to the standard control sequence for clearing the screen. Rather than clearing just the vis-
ible part of the screen using
printf '