【单选题】A System p administrator wishes to create a template file to monitor performance. Having found a template from January, how can the administrator create a July template without destroying the origina...
A.
vi jan.template :%s/Jan/Jul/g :w jul.template :q!
B.
cat jan.template sed s:Jan:Jul: > jan.template
C.
vi jan.template :1,$ replace Jan Jul [Esc] ZZ
D.
vi jan.template :w jul.template :1,$ s/Jan/Jul/g :q!