Question
How do you uncompress bzip2 files with .bz2 extensions?
Answer
The command to uncompress a .bz2 extension file is bunzip.
Let's say in /home you have a file named mydb-sql.bz2, and you need to uncompress the file because it's a sql dump you want to restore. The command to uncompress that file is:
bunzip /home/mydb-sql.bz2