Different file types require different permissions:
| File Type | Permission | Command |
|---|---|---|
| CGI Scripts (.pl, .cgi) | 755 | chmod 755 script.pl |
| Data Files | 666 | chmod 666 data.txt |
| Directories | 755 | chmod 755 dirname |
| Configuration Files | 644 | chmod 644 config.txt |
Permission numbers explained: