A.grub-install /dev/sda0

B.grub-install current /dev/sda0

C.grub-install current /dev/sda1

D.grub-install /dev/sda1

E.

A.In case /etc/yum.repos.d/contains files, /etc/yum.confis ignored

B.Changes to the repository configuration become active after running yum confupdate

C.Changes to the yum configuration become active after restarting the yumdservice

D.Repository configurations can include variables such as $basearchor $releasever

E.The configuration of package repositories can be divided into multiple files

A.yum --list --installed

B.rpm --query --list

C.yum --query --all

D.rpm --query --all

E.rpm --list --installed

A.The command's output is redirected to /dev/null.

B.The command is run in background of the current shell.

C.The command's output is executed by the shell.

D.The command is run as a direct child of the initprocess.

E.The command's input is read from /dev/null.

A.LD_RUN_PATH

B.LD_LOAD_PATH

C.LD_LIBRARY_PATH

D.LD_SHARE_PATH

E.LD_LIB_PATH