4 ms·
According to Dennis Ritchie, the name is an allusion to the DD statement found in IBM's Job Control Language (JCL), where DD is short for data definition https
by axiolite 8mo ago
According to Dennis Ritchie, the name is an allusion to the DD statement found in IBM's Job Control Language (JCL), where DD is short for data definition https://en.wikipedia.org/wiki/Dd_%28Unix%29#History