ASCII/C0
C0 control codes
- In ASCII and related standards, C0 names the 32 control codes in the range 0x00–0x1F. The same chart is standardized as the C0 set in ISO/IEC 6429 (and historically aligned with ECMA-6 / ECMA-48); it is not specific to Unix—Unix and POSIX use these bytes everywhere in text, ttys, and binary protocols.
Why keep this under ASCII/
ASCII/C0/... is the definition-first spine: code position, official name, hex. Tool pages (rg, xargs, find, libc) stay free to describe behavior while linking here for “what byte is this?”
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See also (outside the graph)