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Hello, World

Basic script:
- #!/bin/bash
- echo "Hello World"
- #commented line, this does nothing

Note blank line after shebang.

Give permission mode +x, such as 755, to be run from command line (man chmod for explanation of modes)

Recommend personal scripts be stored in ~/bin, system-wide in /usr/local/bin

Edit PATH setting in ~/.bashrc if needed

Shell scripts cannot be setuid in Linux. Use sudo.

Notes: