Root filesystem layout
On a typical UNIX and Linux filesystem you would see these folders at / of the filesystem:
| Directories | Description | 
|---|---|
| /bin | Binary or executable programs | 
| /etc | System configuration files | 
| /home | User folders | 
| /opt | Optional and third party software | 
| /tmp | Temporary files | 
| /usr | User relates programs and files | 
| /var | Variable data files (logs, mail and temporary files) |