Character | macOS (UK) | Unicode | Alt Code | HTML (Name) | HTML (Number) |
---|---|---|---|---|---|
Upper case Ç | ⌥ + ⇧ + c | U+00C7 | Alt 0199 | Ç | Ç |
Lower case ç | ⌥ + c | U+00E7 | Alt 0231 | ç | ç |
On Linux, you can use Ctrl + Shift + u followed by the code in hex/unicode (you only need to hold down Ctrl and Shift while typing the code).
More info @ Wikipedia.
Bit.ly alias: https://bit.ly/c-cedilla
On Mac I just hold down the c key for a second and hit 1.