What is the purpose of the Filesystem Hierarchy Standard?
A. It is a security model used to ensure files are organized according to their permissions and accessibility.
B. It provides unified tools to create, maintain and manage multiple filesystems in a common way.
C. It defines a common internal structure of inodes for all compliant filesystems.
D. It is a distribution neutral description of locations of files and directories.
FHS(Filesystem Hierarchy Standard)是要統一Unix和Unix-like的作業系統的目錄結構，像是執行檔要放在哪個目錄、函式庫要放在哪個目錄或是設定檔要放在哪個目錄，都有明確的定義。