The ftype, or file type, field is a one-character field that specifies a package object's file type. Valid file types are described in the following table
Table 2–3 Valid File Types in the prototype File| 
 File type field value  | 
 File Type Description  | 
|---|---|
| 
 f  | 
 Standard executable file or data file  | 
| 
 e  | 
 File to be edited upon installation or removal (may be shared by several packages)  | 
| 
 v  | 
 Volatile file (whose contents are expected to change, such as a log file)  | 
| 
 d  | 
 Directory  | 
| 
 x  | 
 Exclusive directory accessible only by this package (may contain unregistered logs or database information)  | 
| 
 l  | 
 Linked file  | 
| 
 p  | 
 Named pipe  | 
| 
 c  | 
 Character special device  | 
| 
 b  | 
 Block special device  | 
| 
 i  | 
 Information file or installation script  | 
| 
 s  | 
 Symbolic link  |