PrismKitDevOpschmod Calculatorchmod CalculatorRuns in your browserLocalCopy linkMarkdownToggle read, write, and execute bits for owner, group, and others to get the matching octal mode and chmod command.fstab GeneratorBuild an aligned /etc/fstab from disks, swap, NFS, CIFS and tmpfs mounts, with checks for common mistakes.SSH Config GeneratorBuild an ~/.ssh/config with host aliases, jump hosts, port forwards and shared defaults, ready to save.