command line
"command-line" is a 11-letter English headword indexed on PlainSpell.
The verdict
“command line” is uncommon English (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency English
- 12
- letters
According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - A shell, a command line interface; usually used with the definite article.
| Property | Value |
|---|---|
| Headword | command line |
| Language | English |
| Part of speech | Noun |
| Letters | 12 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Where “command line” sits in English frequency
Rare enough to double-check
command line is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. 3 senses are on record.
No generated misspelling entries exist for command line in our index, since its letter pattern doesn't lend itself to common typo substitutions. No close-neighbour confusable shows up for this headword in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.
Wiktionary doesn't record an etymology for this headword, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is command line, spelled C-O-M-M-A-N-D- -L-I-N-E.
Definition
- 1A shell, a command line interface; usually used with the definite article.
- 2The text prompt presented to the user in a command line interface.
- 3A line of text that is entered at such a prompt.
This word in other languages
Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.
Frequently Asked Questions
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Using “command line”
The practical upshot for anyone who landed here from a spell-check.
- The one correct English spelling is C-O-M-M-A-N-D- -L-I-N-E - every other letter order is a misspelling in standard orthography.
- Browse more English words and confusable pairs in the same reference. English words
Data Source
Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.