[ROOT]
└─ 1 bash main finite verb
├─ 2 (entorn adverbial
├─ 3 shell adverbial
└─ 4 de adverbial
└─ 5 UNIX) prepositional complement
[ROOT]
└─ 1 bash fragment
├─ 2 (entorn adverbial
├─ 3 shell adverbial
└─ 4 de adverbial
└─ 5 UNIX) prepositional complement