# Reference

- [SysInfo](/reference/sysinfo.md)
- [kernelArchitecture](/reference/sysinfo/kernelarchitecture.md)
- [kernelBitness](/reference/sysinfo/kernelbitness.md)
- [kernelName](/reference/sysinfo/kernelname.md)
- [kernelVersion](/reference/sysinfo/kernelversion.md)
- [operatingSystemName](/reference/sysinfo/operatingsystemname.md)
- [operatingSystemVersion](/reference/sysinfo/operatingsystemversion.md)
- [userDirectory](/reference/sysinfo/userdirectory.md)
- [userId](/reference/sysinfo/userid.md)
- [userName](/reference/sysinfo/username.md)
- [userSpaceBitness](/reference/sysinfo/userspacebitness.md)
- [cores](/reference/sysinfo/cores.md)
- [getTotalPhysicalMemory](/reference/sysinfo/gettotalphysicalmemory.md)
- [getFreePhysicalMemory](/reference/sysinfo/getfreephysicalmemory.md)
- [getTotalVirtualMemory](/reference/sysinfo/gettotalvirtualmemory.md)
- [getFreeVirtualMemory](/reference/sysinfo/getfreevirtualmemory.md)
- [getVirtualMemorySize](/reference/sysinfo/getvirtualmemorysize.md)