Make Shell Scripts Executable
Get the chmod command to make a script runnable while keeping it secure.
| Read | Write | Execute | Value | |
|---|---|---|---|---|
| owner | 7 | |||
| group | 5 | |||
| other | 5 |
$ 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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