Linux

✍️ Code with expresions

• arithmetic: +, -, x, /, %
• relational: ><(like if)
• logical: -a, -o

✍️ Command Line Arguments

$sh hello.sh how are you

$0 filename

$1 first argument

$2 second argument

$# number of arguemnts

In the nano, ^ means Control

✍️ nano

$sh second.sh 1 2 3 4 5 6 7 8