What does chmod 755 mean?

chmod 755 gives the owner read, write, and execute permissions, while group and others get read and execute permissions.

What does chmod 644 mean?

chmod 644 gives the owner read and write permissions, while group and others can only read the file.

Add read as 4, write as 2, and execute as 1 for each permission group, then combine the three numbers.

Yes. The tool shows octal and symbolic chmod formats so you can copy the style you prefer.

FREE TOOL

Click permissions. See octal numbers. Copy the chmod command. Visual permission management for Linux files and directories.

Owner

Group

Others

Read (r)

Write (w)

Execute (x)

Octal Notation

755

Symbolic Notation

rwxr-xr-x

Generated Command

chmod 755 filename

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