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You could do something like this:


while read f; do
echo "something, pls check" | gammu --sendsms TEXT $f
done <tel.txt

Hi,
your script defines some functions but never uses them. When you process the userinput you call some commands directly that you use in the functions .
About your problem: command line...

You could try this:
#!/bin/sh
#
# Vars & Functions
#
MENU="memory space ip user"
memory () {
free -m
}

space () {
df -h
}


ip () {
arp
}

If you want to get a value from the command line, use the positional parameters, $1, etc., not 'read'.


case $1 in
1|memory) echo " you've selected check memory..1 sec pls "
...

I suggest, first indent your code, you would probably know the error by own. We would also need to do that as the very first task.

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