PAS files exist as 2 different types. Please find information about each of them below.
Type 1: Delphi Unit Source File
General Information
| Title | PAS File Extension |
| Extension | .pas |
| Full Form | Pascal Source File |
| File Type | Source Code File |
| Developer | Borland Software Corporation |
| MIME Type | text/pascal |
File Function
| Primary Function | Contain source code |
| Additional Functions | Compile into executables, units |
| Features | Object-oriented, Strongly typed |
File Characteristics
| Quality | Depends on code |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | Yes |
Use Cases
| Software Development | Yes |
| Desktop Applications | Yes |
| Enterprise Applications | Yes |
Security and Practices
| Security Risks | Code injection, Exploits |
| Best Practices | Code review, Static analysis |
Historical/Version Information
| Initial Release | 1983 |
| Latest Version | Depends on IDE |
Associated Types
| Similar Extensions | .dpr, .dpk, .dfm |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
 Embarcadero Delphi |
Commercial | Windows, macOS |
 Free Pascal |
Free | Windows, macOS, Linux |
 Lazarus IDE |
Free | Windows, macOS, Linux |
Type 2: Pascal Source File
General Information
| Title | PAS File Extension |
| Extension | .pas |
| Full Form | Pascal Source File |
| File Type | Source Code File |
| Developer | Niklaus Wirth |
| MIME Type | text/x-pascal |
File Function
| Primary Function | Contain source code |
| Additional Functions | Compile into executable |
| Features | Structured, Strongly typed |
File Characteristics
| Quality | Depends on code |
| Supports Layers | N/A |
| Supports Transparency | N/A |
| Editable | Yes |
Use Cases
| Application Development | Yes |
| System Programming | Yes |
| Teaching | Yes |
Security and Practices
| Security Risks | Malware embedding |
| Best Practices | Code review, secure coding |
Historical/Version Information
| Initial Release | 1970 |
| Influential Versions | Turbo Pascal, Delphi |
Associated Types
| Similar Extensions | .dpr, .lpr, .pp |
Software Compatibility
| Software | Usage Policy | OS Compatibility |
|---|---|---|
| Free Pascal Compiler |
Free | Windows, Mac, Linux, others |
| Delphi |
Commercial | Windows |
| Lazarus IDE |
Free | Windows, Mac, Linux |