Unix Which of the following commands is used to display your working directory? prompt $p$g path dir pwd prompt $p$g path dir pwd ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following special shell variables is used to process number of the current shell? $$ None of these $* $! $$ None of these $* $! ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following keys is used to delete the character beneath the cursor? D None of these dd x X D None of these dd x X ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to save the standard output in a file, as well as display it on the terminal? cat more grep tee None of these cat more grep tee None of these ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to display the top of the file? grep cat head more grep cat head more ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following special shell variables is used to process number of the last background job? $# $0 $* $! $# $0 $* $! ANSWER DOWNLOAD EXAMIANS APP
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