Unix Which of the following command addresses all users who are currently hooked on? wall mesg write mail wall mesg write mail ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to count just the number of characters in a file? wc -w wc - 1 wc -c wc -r wc -w wc - 1 wc -c wc -r ANSWER DOWNLOAD EXAMIANS APP
Unix Which option will be used with sort command to start sorting ofter the nth column of the (m+l)th field? kill +(m+l).n #NAME? None of these kill +(m+l).n #NAME? None of these ANSWER DOWNLOAD EXAMIANS APP
Unix Which option will be used with touch command to change the access time? pid None of these -r option #NAME? pid None of these -r option #NAME? ANSWER DOWNLOAD EXAMIANS APP
Unix The special shell variable $* is used to exit status of ast command executed. None of these to name the command being executed to process number of the current shell to list the positional parameters to exit status of ast command executed. None of these to name the command being executed to process number of the current shell to list the positional parameters 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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