CompareOsEnv gets env and Compare @Description: @param key @param comparedEnv @return bool.

ExecCommand execute command shell /bin/bash -c @Description: @param command @return stdout @return stderr @return err.

GetOsEnv @param key @return string.

IsLinux @Description: @return bool.

IsMac @return bool.

IsWindows @return bool.

RemoveOsEnv @param key @return error.

SetOsEnv @param key @param value @return error.