以下哪条A-Tune中的命令可以查看系统信息？（）

A.routelist

B.routestat

C.netstat–rn

D.iostat–rn

A.lsfs-tjfs2

B.mount-vjfs2

C.df|grepjfs2

D.mount|grepjfs2

A.lslp-a

B.qchk-A

C.enq-sALL

D.lpstat-pALL

A.pusertest

B.fuser/dev/test

C.proc-uidtest

D.ps-futest

A.lscons-l

B.cat/var/conslog

C.alog-tconsole-o

D.lslog/var/adm/conslog

A.Is-L

B.Is-ML

C.sort-dl

D.Is-I

A.show l2vpn pw-redundancy-group detail

B.show l2vpn pw-redundancy-group brief

C.show l2vpn pw-redundancy-group summary

D.show l2vpn pw-redundancy-group

A.lsdev-Cdisk

B.lsdev-Pdisk

C.lsdev-Ccdisk

D.lsdev-Pcdisk

A.topas-D

B.topas-R

C.topas-C

D.topas-d

A.show card cpm

B.show cpm

C.show card

D.show mda

A.FSCK

B.pcsstatus

C.openstack-status

D.novaservice-list