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Screen
size
Certain commands to GDB
may produce large amounts of information output to the screen. To help
you read all of it, GDB pauses and asks you for input at the end of each
page of output. Use the Return
key when you want to continue the output, or type q
to discard the remaining output. Also, the screen width setting determines
when to wrap lines of output. Depending on what is being printed, GDB tries
to break the line at a readable place, rather than simply letting it overflow
onto the following line.
Normally, GDB knows the size
of the screen from the termcap data base together with the value of the
TERM
environment variable and the stty
rows and stty
cols settings.
If this is not correct, you can override it with the set
height and set
width
commands:
set height
lpp
show height
set width
cpl
show width
These set
commands specify a screen height of lpp
lines and a screen width of cpl
characters. The associated show
commands display the current settings. If you specify a height of zero
lines, GDB does not pause during output no matter how long the output is.
This is useful if output is to a file or to an editor buffer.
Likewise, you can specify
‘set width
0’
to prevent GDB from wrapping its output.
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