06-17-2011
What do you exactly mean by speed. If your IO is low then you need to reorganize your data. I believe linux has no utility to do so. Aix do have. The speed of an server can only increase if you give it additional processor.. So add new processors and if memory is the bottleneck the add memory. If in network check the network stats as well. Give more details as in what is your server used for and what applications are runnig slow. removing data from hdd wont make it fast.
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LEARN ABOUT SUNOS
cfsetospeed
cfsetispeed(3C) Standard C Library Functions cfsetispeed(3C)
NAME
cfsetispeed, cfsetospeed - set input and output baud rate
SYNOPSIS
#include <termios.h>
int cfsetispeed(struct termios *termios_p, speed_t speed);
int cfsetospeed(struct termios *termios_p, speed_t speed);
DESCRIPTION
The cfsetispeed() function sets the input baud rate stored in the structure pointed to by termios_p to speed.
The cfsetospeed() function sets the output baud rate stored in the structure pointed to by termios_p to speed.
There is no effect on the baud rates set in the hardware until a subsequent successful call to tcsetattr(3C) on the same termios structure.
RETURN VALUES
Upon successful completion, cfsetispeed() and cfsetospeed() return 0. Otherwise -1 is returned, and errno may be set to indicate the error.
ERRORS
The cfsetispeed() and cfsetospeed() functions may fail if:
EINVAL The speed value is not a valid baud rate.
EINVAL The value of speed is outside the range of possible speed values as specified in <termios.h>.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-------------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-------------------------------+
|Interface Stability |Standard |
+-----------------------------+-------------------------------+
|MT-Level |MT-Safe, and Async-Signal-Safe |
+-----------------------------+-------------------------------+
SEE ALSO
cfgetispeed(3C), tcsetattr(3C), attributes(5), standards(5), termio(7I)
SunOS 5.10 24 Jul 2002 cfsetispeed(3C)