| Subject | English | Portuguese |
| comp., MS, Braz. | Common Log File System | Sistema de Arquivos de Log Comum (A general-purpose logging service that can be used by software clients running in user-mode or kernel-mode) |
| transp. | integrated logging and tracking system | sistema de transporte e seguimento integrado |
| IT, tech. | system log | diário |
| comp., MS, Braz. | system log | log do sistema (A record of events that are generated by the operating system components) |
| comp., MS | system log | registo do sistema (A record of events that are generated by the operating system components) |
| transp., avia. | technical log system | sistema de caderneta técnica |