text: #ifndef LINUX_PARSER_H
  #define LINUX_PARSER_H
  
  #include <fstream>
  #include <regex>
  #include <string>
  
  #include "linux_helper.h"
  
  using std::string;
  using std::vector;
  
  namespace LinuxParser {
  // System
  float MemoryUtilization();
  long UpTime();
  vector<int> Pids();
  int TotalProcesses();
  int RunningProcesses();
  string OperatingSystem();
  string Kernel();
  string UserByUID(int);
  
  std::vector<string> CpuUtilization();
  };  // namespace LinuxParser
  
  #endif