Unix Which of the following commands is used to get directory one level up? None of these cd/ chdir cd cd .. None of these cd/ chdir cd cd .. ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to remove the read permission of the file 'note' from both the group and others? chmod go+r note chmod go+rw note chmod go-x note chmod go-r note chmod go+r note chmod go+rw note chmod go-x note chmod go-r note ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to set the three permissions for all the three categories of users of a file? chusr None of these chmod chown chgrp chusr None of these chmod chown chgrp 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 $! $* ANSWER DOWNLOAD EXAMIANS APP
Unix Which symbol will be used with grep command to match the pattern pat at the beginning of a line? pat$ $pat ^pat pat^ pat$ $pat ^pat pat^ ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to display the filenames in multiple columns? lc None of these ls ls -1 ls -x lc None of these ls ls -1 ls -x ANSWER DOWNLOAD EXAMIANS APP
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