chmod 755 — Permissions Explained
What does chmod 755 mean? See the rwx permission matrix, ls -l output and symbolic form for mode 755 — free chmod calculator.
ReadWriteExecute
Owner (u)
Group (g)
Others (o)
ls -l
rwxr-xr-xchmod
chmod u=rwx,g=rx,o=rx fileAbout chmod 755 — Permissions Explained
chmod 755 sets rwxr-xr-x: the owner can read, write and execute; group and others can read and execute but not write. It's the standard mode for executable scripts, CGI programs and web directories.
The checkbox matrix is preset to 755 — untick any box to see how the octal, symbolic and ls -l forms change together. Everything runs locally in your browser.