Unix Which of the following commands is used to get directory one level up? cd .. None of these cd/ cd chdir cd .. None of these cd/ cd chdir ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories? rm * rm all rm -r * None of these rm *.* rm * rm all rm -r * None of these rm *.* ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to display a file contents in octal form? of oct od cd of oct od cd ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used with vi editor to move the cursor to the left? i k j h None of these i k j h None of these ANSWER DOWNLOAD EXAMIANS APP
Unix The command that can be used to restrict incoming messages to a user is sleep mesg halt None of these grep sleep mesg halt None of these grep 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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