在bashshell环境下，当一命令正在执行时，按下control-Z会()。

A.bash&.bashrc

B.bashrc&.bash_conf

C.bashrc&bash_profile

D..bashrc&.bash_profile

A.make

B.install

C.make depend

D.make install

A.tar-czvf filename.tgz

B. tar-xzvf filename.tgz

C.tar-tzvf filename.tgz

D.tar-dzvf filename.tgz

A.The Fonts section.

B.The Files section.

C.The xfsCodes section.

D.The Graphics sectio

A.64Kcolors

B.16Kcolors

C.256colors

D.16Mcolors

A.ldd

B.ldso

C.modprobe

D.ldconfig

A.lpr

B.lpq

C.lpc

D.lpd

A.PPP

B.UUCP

C.SLIP

D.Ethernet

A./etc/netport

B./etc/services

C./etc/server

D./etc/netconf

A./etc/nfs

B./etc/nfs.conf

C./etc/exports

D./etc/netdir