Created
February 17, 2012 10:08
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| ~/ $ no-command | |
| command not found: no-command | |
| ~/ $ echo $? | |
| 127 | |
| ~/ $ ls --no-option | |
| ls: オプション '--no-option' を認識できません | |
| 詳しくは `ls --help' を実行して下さい。 | |
| ~/ $ echo $? | |
| 2 | |
| ~/ $ |
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