1. TOTO="ahoj ja som toto"

echo ${TOTO}
2. expr 2 + 2
3. bc  (enter)
2 + 2
ctrl + z je exit
4.  TOTO=10
TOTO=`expr ${TOTO} * 2`
echo ${TOTO}
5. echo ' (enter)

> for n in $*
> do
> echo ${n}
> done' > checho.sh

user@H3-C09:~$ sh checho.sh "ahoj"
6. echo '
for n in $* do
P=1
FAKTORIAL=1
while expr ${P} = ${n} do
FAKTORIAL=`expr FAKTORIAL * ${P}`
P=`expr ${P} + 1`
done
echo FAKTORIAL
done
' > fakt.sh
user@H3-C09:~$ sh fakt.sh 4