001-Deactive&active

在对配置实用deactive命令后，配置被标记为失效，在commit的时候该命令不被执行。active是deactive的反命令。

admin@007# set system host-name host123    

[edit]
admin@007# deactivate system host-name  

[edit]
admin@007# show system
inactive: host-name host123;
root-authentication {
    encrypted-password "$1$vwePDy9a$JJ.W530qKyw6Iy2ojEEZ71"; ## SECRET-DATA
}
login {
    user admin {
        uid 2001;
        class super-user;
        authentication {
            encrypted-password "$1$R/PFK63M$3wOC.GG17IiIGtUpyz9921"; ## SECRET-DATA
        }
    }
}