Unix Which of the following commands is used to update access and modification times of a file? touch grep cat wc touch grep cat wc ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to set the three permissions for all the three categories of users of a file? chusr None of these chmod chown chgrp chusr None of these chmod chown chgrp ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to list out all the hidden files along with the other files? ls -F ls -a ls -l ls -x ls -F ls -a ls -l ls -x ANSWER DOWNLOAD EXAMIANS APP
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 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 copy programs/wb misc/wbx tar programs/wb misc/wbx cp programs/wb misc/wbx ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following commands is used to have a two-way communication with any person who is currently logged in? write grep None of these mesg mail write grep None of these mesg mail 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: 755 744 555 755 744 555 ANSWER DOWNLOAD EXAMIANS APP