12-09-2007
It displays:
Hit any key to continue...
then it waits until the user types a key. I looked up the pause command and the docs said that this is what it does. And I just noticed that the OP has edited his first post and now says this is csh. Well sorry, but I'm not a csh guy.
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pause(3) Library Functions Manual pause(3)
NAME
pause - Suspends a process until it receives a signal
LIBRARY
Standard C Library (libc.so, libc.a)
SYNOPSIS
#include <unistd.h>
int pause( void );
STANDARDS
Interfaces documented on this reference page conform to industry standards as follows:
pause(): POSIX.1, XPG4, XPG4-UNIX
Refer to the standards(5) reference page for more information about industry standards and associated tags.
DESCRIPTION
The pause() function suspends the calling process until it receives a signal whose action is either to execute a signal-catching function
or terminate the process. The signal must be one that is acknowledged by the calling process. The pause() function does not affect the
action taken when a signal is received.
The pause() function suspends the calling process by suspending the calling thread. Other threads in the process, if any, are not sus-
pended.
RETURN VALUES
When the received signal causes the calling process to terminate, the pause() function does not return.
When the signal is caught by the calling process and control is returned from the signal-catching function, the calling thread resumes exe-
cution from the point of suspension. At that point, the pause() function returns a value of -1 and sets errno to indicate the error.
ERRORS
The pause() function sets errno to the specified values for the following conditions: The signal has been caught by the calling process and
control has been returned from the signal-catching function.
RELATED INFORMATION
Functions: kill(2), sigaction(2), sigvec(2), wait(2)
Routines: alarm(3)
Standards: standards(5) delim off
pause(3)