| Start | System.Posix System.Posix.Terminal |
| StartStopInput | System.Posix System.Posix.Terminal |
| StartStopOutput | System.Posix System.Posix.Terminal |
| Stop | System.Posix System.Posix.Terminal |
| Stopped | System.Posix System.Posix.Process |
| StripHighBit | System.Posix System.Posix.Terminal |
| Suspend | System.Posix System.Posix.Terminal |
| SuspendOutput | System.Posix System.Posix.Terminal |
| SynchronousWrites | System.Posix System.Posix.IO |
| SystemID | System.Posix System.Posix.Unistd |
| scheduleAlarm | System.Posix |
| seekDirStream | System.Posix System.Posix.Directory |
| segmentationViolation | System.Posix |
| sendBreak | System.Posix System.Posix.Terminal |
| sendfile | System.Sendfile |
| sendfileByName | System.Sendfile |
| setEnv | System.Posix System.Posix.Env |
| setFdMode | System.Posix System.Posix.Files |
| setFdOption | System.Posix System.Posix.IO |
| setFdOwnerAndGroup | System.Posix System.Posix.Files |
| setFdSize | System.Posix System.Posix.Files |
| setFileCreationMask | System.Posix System.Posix.Files |
| setFileMode | System.Posix System.Posix.Files |
| setFileSize | System.Posix System.Posix.Files |
| setFileTimes | System.Posix System.Posix.Files |
| setGroupID | System.Posix System.Posix.User |
| setGroupIDMode | System.Posix System.Posix.Files |
| setLock | System.Posix System.Posix.IO |
| setOwnerAndGroup | System.Posix System.Posix.Files |
| setProcessGroupID | System.Posix System.Posix.Process |
| setProcessGroupPriority | System.Posix System.Posix.Process |
| setProcessPriority | System.Posix System.Posix.Process |
| setResourceLimit | System.Posix System.Posix.Resource |
| setSignalMask | System.Posix |
| setSymbolicLinkOwnerAndGroup | System.Posix System.Posix.Files |
| setTerminalAttributes | System.Posix System.Posix.Terminal |
| setTerminalProcessGroupID | System.Posix System.Posix.Terminal |
| setUserID | System.Posix System.Posix.User |
| setUserIDMode | System.Posix System.Posix.Files |
| setUserPriority | System.Posix System.Posix.Process |
| sigABRT | System.Posix |
| sigALRM | System.Posix |
| sigBUS | System.Posix |
| sigCHLD | System.Posix |
| sigCONT | System.Posix |
| sigFPE | System.Posix |
| sigHUP | System.Posix |
| sigILL | System.Posix |
| sigINT | System.Posix |
| sigKILL | System.Posix |
| sigPIPE | System.Posix |
| sigPOLL | System.Posix |
| sigPROF | System.Posix |
| sigQUIT | System.Posix |
| sigSEGV | System.Posix |
| sigSTOP | System.Posix |
| sigSYS | System.Posix |
| sigTERM | System.Posix |
| sigTRAP | System.Posix |
| sigTSTP | System.Posix |
| sigTTIN | System.Posix |
| sigTTOU | System.Posix |
| sigURG | System.Posix |
| sigUSR1 | System.Posix |
| sigUSR2 | System.Posix |
| sigVTALRM | System.Posix |
| sigXCPU | System.Posix |
| sigXFSZ | System.Posix |
| signalProcess | System.Posix |
| signalProcessGroup | System.Posix |
| sleep | System.Posix System.Posix.Unistd |
| softLimit | System.Posix System.Posix.Resource |
| softwareStop | System.Posix |
| softwareTermination | System.Posix |
| specialDeviceID | System.Posix System.Posix.Files |
| squirt | System.Sendfile |
| statusChangeTime | System.Posix System.Posix.Files |
| stdError | System.Posix System.Posix.IO |
| stdFileMode | System.Posix System.Posix.Files |
| stdInput | System.Posix System.Posix.IO |
| stdOutput | System.Posix System.Posix.IO |
| systemName | System.Posix System.Posix.Unistd |
| systemTime | System.Posix System.Posix.Process |
