Unix Which of the following commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory? copy programs/wb misc/wbx tar programs/wb misc/wbx cp programs/wb misc/wbx copy a:programs/wb b:misc/wbx copy programs/wb misc/wbx tar programs/wb misc/wbx cp programs/wb misc/wbx copy a:programs/wb b:misc/wbx ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to display all the lines with the string 'sales' from the file empl.lst? grep sales empl.lst cut sales empl.lst /sales > empl.lst cat | /sales > empl.lst None of these grep sales empl.lst cut sales empl.lst /sales > empl.lst cat | /sales > empl.lst None of these 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? None of these kill +(m+l).n #NAME? None of these kill +(m+l).n #NAME? ANSWER DOWNLOAD EXAMIANS APP
Unix The command to count the number of files in the current directory by using pipes, is ls | wc ls | wc -w ls | ws -c ls -l | wc -l ls | wc ls | wc -w ls | ws -c ls -l | wc -l 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 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
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