Similar to Cksum_(UNIX)

Checksum

Check digit

Chipkill

Low-density parity-check code

Berlekamp–Welch algorithm

Hash function

Hamming code

Repetition code

Viterbi algorithm

Coding theory

Fletcher's checksum

Block code

Message authentication code

Latin square

Reed–Solomon error correction

Reed–Muller code

Ar (Unix)

At (command)

AWK

Bc (programming language)

Cal (command)

Cat (Unix)

Cd (command)

Chgrp

Chmod

Chown

Cmp (Unix)