| EchoErase | System.Posix System.Posix.Terminal |
| EchoKill | System.Posix System.Posix.Terminal |
| EchoLF | System.Posix System.Posix.Terminal |
| EnableEcho | System.Posix System.Posix.Terminal |
| EnableParity | System.Posix System.Posix.Terminal |
| EndOfFile | System.Posix System.Posix.Terminal |
| EndOfLine | System.Posix System.Posix.Terminal |
| Erase | System.Posix System.Posix.Terminal |
| Exited | System.Posix System.Posix.Process |
| ExtendedFunctions | System.Posix System.Posix.Terminal |
| elapsedTime | System.Posix System.Posix.Process |
| emptySignalSet | System.Posix |
| epochTime | System.Posix System.Posix.Time |
| exclusive | System.Posix System.Posix.IO |
| executeFile | System.Posix System.Posix.Process |
| exitImmediately | System.Posix System.Posix.Process |
