Common File Types in OS/2
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Operating System Files
Driver Related
| Extension | Name | Application | Comments |
|---|---|---|---|
| ADD | Adapter Device Driver | ||
| BID | Bus Interface Driver | Used to support Microsoft's LADDR layered device driver model, which is now rarely used in OS/2. | |
| DDP | Device Driver Profile | OS/2 Warp Device Driver Installer / DDINSTAL.EXE | Text File.[1] |
| DSC | Display Configuration File | DSPINSTL | Display Installer (Text File) |
| DSP | Profile | DSPINSTL | Display Installer (Text File) |
| DMD | Device Manager Driver | ||
| DRV | Printer Device Driver dyn | ||
| DCP | Definition Code Page | [2] | |
| FLT | Filter Device Driver | ||
| I13 | |||
| IFS | Installable File System | [3] | |
| NIF | Network Information File | Network Adapters and Protocols Configuration | Contains the information of the network .OS2 driver. (Text File) |
| OS2 | OS/2 Network Driver | ||
| PSD | Platform Specific Driver | ||
| SCR | Script to install MMOS2 Drivers. (MINSTALL). Text File. | ||
| SYS | |||
| SNP | Snooper | ||
| SYM | Symbol File | ||
| TSD | Type Specific Driver | Used to support Microsoft's LADDR layered device driver model, which is now rarely used in OS/2. | |
| VSD | Vendor Specific Driver |
General
| Extension | Name | Application | Comments |
|---|---|---|---|
| CMD | Command processor | (Text File) | |
| DAT | SYSLOG error log | SYSLOGPM | |
| DIF | |||
| FON | Font File | OS/2 Fonts Information | |
| IMP | |||
| INI | Initialisation file | ||
| INF | |||
| MSG | Message File | MKMSGF, mkmsgf (Make Message File Utility Clone), e_msgf | [4] |
| ERR | Errors | ||
| TCP | |||
| TDF | Trace Definition File | ||
| SEP | |||
| WPS |
Bitmaps
| Extension | Name | Application | Comments |
|---|---|---|---|
| BMP | Bitmap File | [5] | |
| DIB | |||
| ICO | Icon File | IconEdit | |
| PTR | Pointer File | IconEdit |
Executables
| Extension | Name | Application | Comments |
|---|---|---|---|
| *.DLL | Dynamic Link Library | PMDLL | |
| *.EXE | Executable | ||
| *.COM | Executable |
Development
| Extension | Name | Application | Comments |
|---|---|---|---|
| RES | Resource Compiler File | Dialog Editor | Text File [6] [Resource Compiler] |
| RC | Resource Compiler Script | RC | Text File [7] [Resource Compiler] |
| DLG | Dialog | Text File | |
| IDL | Text File | ||
| CSC | Text File. Newer versions of SOM replaced this extension with .IDL. |
OS/2 2.x Productivity
| Extension | Name | Application | Comments |
|---|---|---|---|
| $D$ | Daily Planner | Daily Planner | |
| $$L | Spreadsheet | PMSPREAD.EXE | |
| $T$ | ToDo List | ToDo List | |
| $$A | Tune Editor/Tine | Tune Editor/Tine | |
| $D$ | Planner | Planner | |
| $$F | Database | Database | |
| $N$ | Note | Note | |
| $$P | Sticky | Sticky | |
| MET | Picture | Picture Viewer | |
| PIF | Picture | ||
| SPL | Picture |
Third Parties
| Extension | Name | Application | Comments |
|---|---|---|---|
| CBZ | CBZ File | CandyBarZ | CandyBarz theme file |
| DIS | Drawing Format | BlueCAD | |
| SCH | eSchemes File | eSchemes |