関連ワード:  bash echo return code of last command    bash print return code of last command    linux echo return code of last command    bash echo return value of last command    bash print exit code of last command    linux print return code of last command    linux echo exit code of last command    shell print return code of last command    bash print return value of last command    linux echo return value of last command  
結果 : bash echo return code of last command