This can be checked by using du command ( disk usage) du –sh . | grep G    - lists all the directory which has GIGS in Size. $ du –sh . | grep G 5       ./Default/AppData/Local/Microsoft/Windows/WinX/Group1 25      ./Default/AppData/Local/Microsoft/Windows/WinX/Group2 60      ./Default/AppData/Local/Microsoft/Windows/WinX/Group3 Expect to come across this, one of the top Linux interview questions and answers for experienced professionals in software development, in your next interviews.