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? tar programs/wb misc/wbx copy programs/wb misc/wbx cp programs/wb misc/wbx copy a:programs/wb b:misc/wbx tar programs/wb misc/wbx copy 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 delete all files in the current directory as well as all files and sub-directories in its subdirectories? rm all None of these rm *.* rm -r * rm * rm all None of these rm *.* rm -r * rm * ANSWER DOWNLOAD EXAMIANS APP
Unix The Octal number to be given alogn with chmod command to make a file readable, writable and executable to the owner, readable and executable to group and others is: 755 555 744 755 555 744 ANSWER DOWNLOAD EXAMIANS APP
Unix The special shell variable $* is used to exit status of ast command executed. None of these to process number of the current shell to list the positional parameters to name the command being executed to exit status of ast command executed. None of these to process number of the current shell to list the positional parameters to name the command being executed ANSWER DOWNLOAD EXAMIANS APP
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 command is used to sort the lines of data in a file in alphabetical order? st None of these sort -r sh sort st None of these sort -r sh sort ANSWER DOWNLOAD EXAMIANS APP