Erase character (ECH)

Category: erase · Tags: ECMA-48 Standard · Specification ↗

ECH replaces N characters at the cursor position with blank spaces. The sequence is ESC [ N X (default N=1). Unlike delete (DCH), erase does not shift subsequent characters — it overwrites in place. The cursor position is not changed.

Supported by 6 of 6 backends (100%)

Support Matrix

Backend	Version	Support	Notes
Alacritty	0.26.0	✓ yes
Ghostty	1.3.1	✓ yes
Kitty	0.40.0	✓ yes
vt100	0.1.0	✓ yes
WezTerm	0.1.0-fork.5	✓ yes
xterm.js	5.5.0	✓ yes

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