Linux系统中，一般把命令ls定义为ls--color的别名，以便以不同颜色来标识不同类型的文件。但是，如何能够使用原先的ls命令()。

A./etc/bashrc

B./etc/profile

C.~/.bash_profile

D./etc/skel/.bashrc

A.xfs

B.xfserv

C.fonts

D.xfstt

A.make

B.make deps

C.make config

D.make install

A.rarp

B.route

C.ipchains

D.filter

A./etc/con

B.modules

C./etc/lilo.conf

D./boot/System.map

E./etc/sysconfig

A.bash&.bashrc

B.bashrc&.bash_conf

C.bashrc&bash_profile

D..bashrc&.bash_profile

A.tar-czvf filename.tgz

B. tar-xzvf filename.tgz

C.tar-tzvf filename.tgz

D.tar-dzvf filename.tgz

A.TCP

B.UDP

C.SMB

D.ICMP

A./etc/aliases

B./etc/mailaliases

C./etc/sendmail.aliases

D./etc/sendmail/aliases

A.mount-twindows/win/dev/hda1

B.mount-fs=msdos/dev/hda1/win

C.mount-swin/dev/hda1/win

D.mount–tvfat/dev/hda1/win