No, when you're done your fstab should look like this:

/dev/hda9 swap swap defaults 0 0
/dev/hda10 / ext3 defaults 1 1
#/dev/cdrom /mnt/cdrom auto noauto,owner,ro 0 0
/dev/fd0 /mnt/floppy auto noauto,owner 0 0
devpts /dev/pts devpts gid=5,mode=620 0 0
proc /proc proc defaults 0 0

As to 1G of swap, I'm not sure how you're going to make it so. You want to make /dev/hda9 your swap partition, which means it will be as big as your /dev/hda9

/dev/hda5 swap swap defaults 0 0

(from my /etc/fstab)
posted seconds too late.

thank u all
i will try and see

i have a bad news
i did what u had said exactly
then i restarted
it worked very well as before till it reached
"starting X11 ........"
then it hanged

the question shall i install slack from the beginning
or there is a solution?

Hm... Interesting...
But the system boots, so we just need to figure out what's wrong with the X server, why reinstall? You can boot to console and log in in text mode, right? Just reboot, and when the Lilo prompt comes up, type
Linux 3

It might be one of several things. Your / partition could be full, so X can't write to /tmp. Or, worse, something that X needed was on /dev/hda10, good thing we haven't erased it completely.

If you're able to log in console mode, run

df -h

to see if your / partition is full, and you can try mounting /dev/hda10 on, say, /mnt/hd to see if there's something useful left there.

mount /dev/hda10 /mnt/hd
ls /mnt/hd

really thank u man
i did what u said but i use 88% from hda10
so i thought that there is nothing wrong so i typed startx and i found that
there is a problem in xorg.conf
i had played in to make my scroll works
this made the problem
i entered emacs and deleted what i had added
and all things worked fine
i am now on my little slack
i did what u said
then i removed the # from fstab
and i will see what will happen
really i had learned something new today
really i love my Slackware
thanx man

really man
i did what u said exactly
and restarted and typed
but where is my swap???????

df -h doesn't show swap. To see what swap is used by the system, type

cat /proc/swaps

Or you could use gkrellm. It will show used memory, swap, etc.

here it is
and the other command
then what else shall i do?

Well, you don't have to do anything. /proc/swaps shows that you use your /dev/hda9 as a swap partition. It's about 1G in size.
So, I think you're all set.

If you wanna use gkrellm, start it as a user, not as the root.

i loged on as a user

gkrellm not gkrellim