termio is the name of the old System V terminal driver interface. This
interface defined a termio structure used to store terminal settings,
and a range of ioctl(2) operations to get and set terminal attributes.
The termio interface is now obsolete: POSIX.1-1990 standardized a modi-
fied version of this interface, under the name termios. The POSIX.1
data structure differs slightly from the System V version, and POSIX.1
defined a suite of functions to replace the various ioctl(2) operations
that existed in System V. (This was done because ioctl(2) was unstan-
dardized, and its variadic third argument does not allow argument type
If you're looking for page called "termio", then you can probably find
most of the information that you seek in either termios(3) or
This page is part of release 3.35 of the Linux man-pages project. A
description of the project, and information about reporting bugs, can
be found at http://man7.org/linux/man-pages/.
Linux 2006-12-28 TERMIO(7)
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