Unix Which of the following commands is used to have a two-way communication with any person who is currently logged in? write mesg mail None of these grep write mesg mail None of these grep ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands can be used to get information about all users who are currently logged into the system? who who am i 1 /u None of these which who who am i 1 /u None of these which ANSWER DOWNLOAD EXAMIANS APP
Unix Which symbol will be used with grep command to match the pattern pat at the end of a line? None of these $pat pat^ pat$ ^pat None of these $pat pat^ pat$ ^pat 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
Unix Which of the following options will be used to display number of blocks used by a file? -c -r option #NAME? None of these -c -r option #NAME? None of these ANSWER DOWNLOAD EXAMIANS APP
Unix You can append to a file instead of overwriting by using the < symbols >> symbols > symbols None of these < symbols >> symbols > symbols None of these ANSWER DOWNLOAD EXAMIANS APP
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