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Calcolatore chmod

Utilità per sviluppatori

Converti i permessi di lettura, scrittura ed esecuzione in notazione ottale e simbolica per proprietario, gruppo e altri.

Come usare

Reading permission bits

Read is 4, write is 2 and execute is 1. The three digits stand for owner, group and others, so 755 gives the owner full access and read plus execute for everyone else.

  1. Tick the permissions for each group.
  2. Read the octal and symbolic result.
  3. Copy the chmod command into your terminal.

Domande frequenti

What is 777?

Read, write and execute for everyone. It is usually a security risk on a web server.

What does a leading fourth digit mean?

The optional fourth digit sets setuid, setgid and sticky bits. This calculator covers the three permission digits.