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Modern Developers Push Wider Widths
- Some developers now use 120 columns to fit multiple panes and a file browser on large screens.
- Others call 80 arbitrary and view strict limits as cargo-culted traditions.
80 Characters Came From Punch Cards
- The 80-character convention originates from punch cards, which had 80 columns and enforced a hard width limit.
- That historical constraint influenced later tooling and habits long after punch cards disappeared.
Punch Cards Shaped Core Standards
- Several modern conventions (like the byte and DELETE code) trace back to punch-card-era engineering choices.
- These legacy decisions persist because they standardized systems and tooling across generations of computing.


