sudo
/ˈsuː.duː/noun, verb
sudo is spelled S-U-D-O: 4 letters. It appears about once in every 4 million words in written English, the 57,423rd most frequent word form (wordfreq, 2021 data). People search “pseudo vs sudo” about 210 times a month (Google, United States). As a noun, sudo means “A Unix command that allows a user to run a program with the security privileges of another user” (English Wiktionary, September 2026).
How many letters and syllables are in sudo?
| Letters | 4: S-U-D-O |
|---|---|
| In writing | about once in every 4 million words; the 57,423rd most frequent word form |
| Wrong spellings searched | none measured in search |
| Pairs people search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media); Bing searches in the United States: the average month from September 2025 to August 2026 (Microsoft Advertising keyword data through DataForSEO, read September 30, 2026).
How common is sudo?
Sudo appears about once in every 4 million words in written English, the 57,423rd most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce sudo?
- /ˈsuː.duː/
- /ˈsuː.doʊ/
- /ˈsuː.dəʊ/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Words people confuse with sudo
Word pairs people search, with the monthly searches for “a vs b” (G: Google, B: Bing, United States).
Sources: Google and Bing searches (September 2025 to August 2026, through DataForSEO); English Wiktionary (homophones, alternative spellings).
Forms of sudo
- sudos present, singular, he/she/it
- sudoing participle, present
- sudoed participle, past
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does sudo mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A Unix command that allows a user to run a program with the security privileges of another user.
verb
- 1
To invoke such a command.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Where does sudo come from?
Originally understood as a blend of superuser + do, now has evolved to be an abbreviation of substitute user, do.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).