Make Shell Scripts Executable

Get the chmod command to make a script runnable while keeping it secure.

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Octal (editable)

rwxr-xr-x

Symbolic

Command

$ chmod 755 filename

Common presets

Scripts tips

📜

To run a script directly (./script.sh), it needs the execute bit. 755 makes it executable by everyone; 700 keeps it private to you.

💡

For scripts in a shared bin directory, 755 is standard. For personal scripts with sensitive logic, use 700.

🎯

After making it executable, verify with the symbolic output here — you want an "x" in the owner triad at minimum.

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