Setting and getting variables

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• Assignment using = without spaces on either side of =
• All the variables are strings. If there are spaces in the value, the whole value mus be in quotes
• When using a variable we must prefix it with a $ sign

examples/script/variables.sh

name=foobar
echo $name

occupation=shell programmer
echo $occupation

echo "Hello $name"
echo $nameit
echo ${name}it

$ ./examples/script/variables.sh 
foobar
./examples/script/variables.sh: line 5: programmer: command not found

Hello foobar

foobarit