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  1. #include <cstdlib>
  2.  
  3. int main()
  4. {
  5. system("df -h");
  6. return 0;
  7. }
Success #stdin #stdout #stderr 0s 3092KB
stdin
Standard input is empty
stdout
Standard output is empty
stderr
df: cannot read table of mounted file systems: No such file or directory