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 is not a communication command. grep mail mesg write grep mail mesg write ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following directories contain all the Alias created by a user, including his login directory? /tmp /dev /etc /usr /tmp /dev /etc /usr ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following files will displayed by this command cat *ch* catch .ch patch All of these catch .ch patch All of these ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used with vi editor to save file and remain in the editing mode? :q q! :w :x None of these :q q! :w :x None of these ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following command is used to count just the number of lines contained in a file? wc -l None of these wc -w wc -c wc -r wc -l None of these wc -w wc -c wc -r ANSWER DOWNLOAD EXAMIANS APP
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