suspend a output

Is it possible to suspend a output to screen just using

var ch : char;

write('press any key to continue...');

if not, what is the correct way? thx
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I usually use

var ch:char;

 write('press any key');
 ch := readkey;

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ping072497Author Commented:
I tried the above program. It seems doesn't work to me.
I couldn't compile it. I'm using Tubo Pascal 7.0. Is readkey
a function?

It is a function from the CRT Unit.
You can use this function also to read a key like ESC (ch=CHR(27)) or one of the F-keys.
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