在Linux系统中，（)命令用来查找／etc目录下的所有passwd文件。

A.find/etc-size+20k-a-typed

B.find/etc-size+20k

C.find/etc-size+20k-a-typef

D.find/etc-typef

A.find /etc/ -type f -size +1M

B.find /etc/ -type f -size 1M

C.find /etc/ -type f

D.find /etc/ -size +1M

A./etc/passwd

B./etc/shadow

C./etc/inittab/

D./etc/profile

A.whereis命令可查找命令，源代码，但不能用来查找文档

B.whereisIs查所有类型的匹配项

C.whereis-bls只查找二进制文件

D.whereis-sls只查找源代码

A.cp /etc/profile /

B.cp /etc/profil

C./

D.cp / /etc/profile

E.cp ．/ /etc/profile

A.A./etc/shadow

B.B./etc/password

C.C./etc/passwd

D.D./etc/bin/pwd

A./ETC/PASSWD

B./ETC/SHADOW

C./ETC/SECURITY

D./ETC/PWLOG

A./etc/passwd

B./etc/shadow

C./etc/group

D./etc/password

A.ls /etc/passwd

B.cat /etc/passwd

C.rm /etc/passwd

D.less /etc/passwd