advance usage of ci

> co -p1.1 initOCP.ora >1.txt
initOCP.ora,v --> stdout
revision 1.1
bill07:B.11:ADMP:/software/oracle1/admin/CATP/pfile> co -p1.2 initCATP.ora >2.txt
initOCP.ora,v --> stdout
revision 1.2
> ls -lrt
total 36
drwxrwxr-x 2 oracle1 dba1 2048 Jun 12 10:18 archive
-r--r--r-- 1 oracle1 dba1 2640 Jun 14 14:29 initOCP.ora,v
-rw-rw-r-- 1 oracle1 dba1 2214 Jun 14 14:30 1.txt
-rw-rw-r-- 1 oracle1 dba1 2241 Jun 14 14:30 2.txt
> diff 1.txt 2.txt
64c64
< --- > fast_start_mttr_target=1200