Tag: bash shell exit status

  • true and false

    true . exit with a status code indicating success. false. exit with a status code indicating failure.

  • true and false

    A UNIX Command $true $echo $? 0 $false $echo $? 1 $ UNIX Explanation true – do nothing, successfully exit with a status code indicating success. false – do nothing, unsuccessfully exit with a status code indicating failure. Related Source Code Exposition int main (int argc, char **argv) { if (argc == 2) { initialize_main […]