Cheat Sheets, Dictionary and Reference Material

Dictionary

Cheat Sheets

[Sep 26, 2026] ASCII Reference Chart
[Sep 19, 2026] UNIX/POSIX Command line Basics
[Sep 21, 2026] The Vi Editor
[Sep 21, 2026] Regular Expressions

References

  • RFC1034: Domain names - concepts and facilities
  • RFC1035: Domain names - implementation and specification