Title: Tunisian people
Content:  Tunisian people are homogeneous in terms of language, since nearly all of them speak Tunisian as their mother-tongue in addition to mastering French and/or Arabic. The Tunisian language is built upon a significant Berber, Latin (African Romance) and Neo-Punic substratum, while its vocabulary is mostly derived from a morphological corruption of Arabic, French, Turkish, Italian and the languages of Spain. Multilingualism within Tunisia and in the Tunisian diaspora makes it common for Tunisians to code-switch, mixing Tunisian with French, English or other languages in daily speech. Moreover, Tunisian is closely related to the Maltese language, that descended from Tunisian and Siculo-Arabic.
Title: National language
Content:  The official language of the Tunisian state is Arabic. However, that language is not the mother tongue of the population or used to communicate between Tunisian people, instead Tunisian Arabic plays these roles and is the national language of Tunisia. Also, even without an official status, French is also used extensively in its written and spoken form in the administration, education and business environment and known by 63.6% of the population. Also Berber minorities in the south-west and on Djerba Island use the Tunisian Chelha language to communicate between themselves.
Title: Languages of Tunisia
Content:  Tunisia is a multilingual country. The original language of Tunisia since ancient times is the Berber language, but most Tunisians slowly switched to a variety of Arabic, over 13 centuries of Arabization and Islamization. The vast majority of the population today speaks Tunisian Arabic (also called Derja) as their native language, which is mutually intelligible to a limited degree with other Maghrebi Arabic dialects. Most inhabitants are also literate in Modern Standard Arabic (i.e. Literary Arabic) taught in primary and secondary education. A significant portion of the population also can speak some French to varying degrees which was the common language of business and administration during French rule in the region. The Berber language is still spoken today by some Tunisians, but they also speak Arabic as a second language.
Title: Tunisia
Content:  Arabic is the official language, and Tunisian Arabic, known as Tounsi, is the national, vernacular variety of Arabic used by the public. There is also a small minority of speakers of Berber languages known collectively as Jebbali or Shelha. French also plays a major role in Tunisian society, despite having no official status. It is widely used in education (e.g., as the language of instruction in the sciences in secondary school), the press, and business. In 2010, there were 6,639,000 French-speakers in Tunisia, or about 64% of the population. Italian is understood and spoken by a small part of the Tunisian population. Shop signs, menus and road signs in Tunisia are generally written in both Arabic and French.
Title: Culture of Tunisia
Content:  Tunisia is homogeneous in terms of language, since nearly all of the population masters French and Arabic (the state Official language) and speaks Tunisian Arabic which is the mother-tongue of almost all Tunisians. Tunisian Arabic is actually a dialect – or more accurately a set of dialects, for which there is no official body of standards. It is established on a berber and punic substratum, influenced by the languages of the people that lived or administered the region, during the course of history, including: Arabic, Turkish, Italian, Spanish and French. Tunisian Arabic is not understood by most Arab speaking countries as it does derive from a mixture of a few languages. Tunisian is spoken mostly in the context of a 
Title: Languages of Tunisia
Content:  The Tunisian Derja (تونسي) is considered a variety of Arabic – or more accurately a set of dialects. Tunisian is built upon a significant Berber, African Romance and Neo-Punic substratum, while its vocabulary is mostly derived from a morphological corruption of Arabic, French, and English. Multilingualism within Tunisia and in the Tunisian diaspora makes it common for Tunisians to code-switch, mixing Tunisian with French, English or other languages in daily speech. Moreover, Tunisian is closely related to the Maltese language, that descended from Tunisian and Siculo-Arabic.
Title: Tunisian Arabic
Content:  Tunisian Arabic is the mother tongue of the Arabic-speaking population in Tunisia. It is also the second language of the Berber minority living in the country, particularly in some villages of Djerba and Tatawin. However, Tunisian Arabic has the role of the low variety in an example of classic diglossia, and Standard Arabic is the high variety. As such, the use of Tunisian Arabic is mainly restricted to spoken domains. as its written and cultural use began in the 17th century and regularly developed since the 20th century only. Now, it is used for a wide range of purposes, including communication, politics, literature, theatre, and music.
Title: Tunisian Arabic
Content:  Tunisian Arabic, or simply Tunisian, is a set of dialects of Maghrebi Arabic spoken in Tunisia. It is known among its over 11 million speakers, "Tunisian" or Derja "everyday language" to distinguish it from Modern Standard Arabic, the official language of Tunisia. Tunisian Arabic is mostly similar to eastern Algerian Arabic and western Libyan Arabic. As part of a dialect continuum, Tunisian merges into Algerian Arabic and Libyan Arabic at the borders of the country. Tunisian Arabic's morphology, syntax, pronunciation, and vocabulary are considerably different from Modern Standard Arabic or Classical Arabic. Like other Maghrebi dialects, it has a vocabulary that is mostly Arabic with a significant Berber, Latin and possibly Neo-Punic substratum. However, Tunisian has also many loanwords from French, Turkish, Italian and the languages of Spain. Tunisian Arabic is mostly intelligible to speakers of other Maghrebi 
Title: Demographics of Tunisia
Content: Arabic (official, one of the languages of commerce and education) ; Tunisian Arabic (Local variety of Arabic, everyday use) ; Berber (Tamazight) ; French (commerce and education) 
Title: Languages of Tunisia
Content:  Berber languages (called "shelha" by Arabic-speakers) are mainly spoken in the villages of the south, including Chenini, Douiret, Matmata and Tamezrett. They are also spoken in some hamlets on the island of Djerba, mainly Guellala ,Sedouikech, Azdyuch and Ouirsighen.

Question: what language tunisia?
Answer: French Language.