$echo $BASH /bin/bash $echo $BASH_ $echo $BASH_v $echo $BASH_VERSION 4.3.42(1)-release $date || time Sun Feb 21 23:15:50 IST 2016 $datei || time bash: datei: command not found real 0m0.000s user 0m0.000s sys 0m0.000s $dateno || time bash: dateno: command not found real 0m0.000s user 0m0.000s sys 0m0.000s $time || date bash: syntax error near unexpected …
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