User identifier

it

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User identifier

Quality:

User identifier - numeric value used in Unix-like operating systems to uniquely identify a user account. Article “User identifier” in Italian Wikipedia has 5.9 points for quality (as of July 1, 2025). The article contains 0 references and 6 sections.

This article has the best quality in English Wikipedia. Also, this article is the most popular in that (Italian) language version.

Since the creation of article “User identifier”, its content was written by 13 registered users of Italian Wikipedia and edited by 247 registered Wikipedia users in all languages.

The article is cited 24 times in Italian Wikipedia and cited 315 times in all languages.

The highest Authors Interest rank from 2001:

  • Local (Italian): #19628 in January 2008
  • Global: #53222 in January 2014

The highest popularity rank from 2008:

  • Local (Italian): #119768 in March 2010
  • Global: #89951 in January 2015

There are 16 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

Languages with the highest quality

#LanguageQuality gradeQuality score
1English (en)
User identifier
34.5915
2German (de)
Benutzerkennung
32.2185
3Chinese (zh)
用户ID
31.7732
4Estonian (et)
Kasutajatunnus
23.9286
5Catalan (ca)
Identificador d'usuari
17.3848
6Polish (pl)
UID
16.6173
7Portuguese (pt)
Identificador de usuário
15.7987
8French (fr)
User identifier
11.2457
9Korean (ko)
사용자 식별자
9.9731
10Czech (cs)
Identifikátor uživatele
8.7574
More...

The following table shows the most popular language versions of the article.

Most popular in all the time

The most popular language versions of the article "User identifier" in all the time
#LanguagePopularity awardRelative popularity
1English (en)
User identifier
985 591
2Russian (ru)
Идентификатор пользователя
215 522
3Japanese (ja)
ユーザー識別子
147 436
4Polish (pl)
UID
138 236
5Spanish (es)
Identificador de usuario
119 367
6German (de)
Benutzerkennung
106 386
7French (fr)
User identifier
102 780
8Chinese (zh)
用户ID
59 551
9Italian (it)
User identifier
46 484
10Portuguese (pt)
Identificador de usuário
38 775
More...

The following table shows the language versions of the article with the highest popularity in the last month.

Most popular in June 2025

The most popular language versions of the article "User identifier" in June 2025
#LanguagePopularity awardRelative popularity
1English (en)
User identifier
2 859
2Russian (ru)
Идентификатор пользователя
326
3Chinese (zh)
用户ID
242
4German (de)
Benutzerkennung
213
5French (fr)
User identifier
200
6Japanese (ja)
ユーザー識別子
161
7Polish (pl)
UID
106
8Spanish (es)
Identificador de usuario
99
9Ukrainian (uk)
Ідентифікатор користувача
90
10Czech (cs)
Identifikátor uživatele
82
More...

The following table shows the language versions of the article with the highest Authors’ Interest.

The highest AI

Language versions of the article "User identifier" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.
#LanguageAI awardRelative AI
1English (en)
User identifier
90
2German (de)
Benutzerkennung
28
3Spanish (es)
Identificador de usuario
20
4French (fr)
User identifier
15
5Russian (ru)
Идентификатор пользователя
15
6Italian (it)
User identifier
13
7Polish (pl)
UID
13
8Czech (cs)
Identifikátor uživatele
9
9Japanese (ja)
ユーザー識別子
9
10Chinese (zh)
用户ID
9
More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

The highest AI in June 2025

Language versions of the article "User identifier" with the highest AI in June 2025
#LanguageAI awardRelative AI
1Catalan (ca)
Identificador d'usuari
0
2Czech (cs)
Identifikátor uživatele
0
3German (de)
Benutzerkennung
0
4English (en)
User identifier
0
5Spanish (es)
Identificador de usuario
0
6Estonian (et)
Kasutajatunnus
0
7French (fr)
User identifier
0
8Italian (it)
User identifier
0
9Japanese (ja)
ユーザー識別子
0
10Korean (ko)
사용자 식별자
0
More...

The following table shows the language versions of the article with the highest number of citations.

The highest CI

Language versions of the article "User identifier" with the highest Citation Index (CI)
#LanguageCI awardRelative CI
1English (en)
User identifier
67
2German (de)
Benutzerkennung
35
3Russian (ru)
Идентификатор пользователя
34
4Japanese (ja)
ユーザー識別子
32
5Italian (it)
User identifier
24
6French (fr)
User identifier
23
7Polish (pl)
UID
18
8Ukrainian (uk)
Ідентифікатор користувача
17
9Chinese (zh)
用户ID
16
10Spanish (es)
Identificador de usuario
13
More...

Scores

Estimated value for Wikipedia:
Italian:
Global:
Popularity in June 2025:
Italian:
Global:
Popularity in all years:
Italian:
Global:
Authors in June 2025:
Italian:
Global:
Registered authors in all years:
Italian:
Global:
Citations:
Italian:
Global:

Quality measures

Interwikis

#LanguageValue
caCatalan
Identificador d'usuari
csCzech
Identifikátor uživatele
deGerman
Benutzerkennung
enEnglish
User identifier
esSpanish
Identificador de usuario
etEstonian
Kasutajatunnus
frFrench
User identifier
itItalian
User identifier
jaJapanese
ユーザー識別子
koKorean
사용자 식별자
noNorwegian
Brukeridentifaktor
plPolish
UID
ptPortuguese
Identificador de usuário
ruRussian
Идентификатор пользователя
ukUkrainian
Ідентифікатор користувача
zhChinese
用户ID

Popularity rank trends

Best Rank Italian:
#119768
03.2010
Global:
#89951
01.2015

AI rank trends

Best Rank Italian:
#19628
01.2008
Global:
#53222
01.2014

Languages comparison

Important global interconnections (July 2024 – June 2025)

Wikipedia readers most often find their way to information on User identifier from Wikipedia articles about Superuser, UID, User, Group identifier and Time-of-check to time-of-use. Whereas reading the article about User identifier people most often go to Wikipedia articles on Group identifier, Passwd, Unix-like operating system, Network Information Service and List of UNIX commands.

Cumulative results of quality and popularity of the Wikipedia article

List of Wikipedia articles in different languages (starting with the most popular):

pl: UID

News from 28 January 2026

On 28 January 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2025–26 UEFA Champions League, Nipah virus, Doomsday Clock, UEFA Champions League, Elena Rybakina, Donald Trump, 2026 European Men's Handball Championship, killing of Alex Pretti, Kristi Noem, deaths in 2026.

In Italian Wikipedia the most popular articles on that day were: Niscemi, Morbo di K, Antonio Vergara, Moussa Diaby, Giovanni Borromeo, Antonio Chichiarelli, Il falsario (film 2025), Marty Supreme, I giorni del cielo, United States Immigration and Customs Enforcement.

About WikiRank

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information