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 commands is used to display the directory attributes rather than its contents? ls -x ls -l -d ls -l ls -F ls -x ls -l -d ls -l ls -F ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to save the output of the who command in a file named user.lst, as well as display it? who > user.lst who >> user.lst who | tee user.lst None of these who < user.lste who > user.lst who >> user.lst who | tee user.lst None of these who < user.lste ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to link the files? tar None of these cp ln lk tar None of these cp ln lk ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to display all the lines with the string 'sales' from the file empl.lst? /sales > empl.lst cut sales empl.lst cat | /sales > empl.lst None of these grep sales empl.lst /sales > empl.lst cut sales empl.lst cat | /sales > empl.lst None of these grep sales empl.lst ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to list out all the hidden files along with the other files? ls -a ls -F ls -l ls -x ls -a ls -F ls -l ls -x ANSWER DOWNLOAD EXAMIANS APP
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