Unix Which of the following commands is used to have a two-way communication with any person who is currently logged in? mail None of these grep mesg write mail None of these grep mesg write ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to view your file 24 lines at a time? cat pg /p lp None of these cat pg /p lp None of these ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to set the three permissions for all the three categories of users of a file? chgrp chmod chown None of these chusr chgrp chmod chown None of these chusr 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 column contains all details of the permissions of a file when you issue the ls -l command? third first fourth second third first fourth second ANSWER DOWNLOAD EXAMIANS APP
Unix The command which transcribes the standard input to the standard output and also makes a copy of the same in a file is sort grep tee tr sort grep tee tr ANSWER DOWNLOAD EXAMIANS APP