127.0.0.1:6379> 
127.0.0.1:6379> keys *
(empty list or set)
127.0.0.1:6379> 
127.0.0.1:6379> set foo bar
OK
127.0.0.1:6379> 
127.0.0.1:6379> keys *
1) "foo"
127.0.0.1:6379> 
127.0.0.1:6379> get foo
"bar"
127.0.0.1:6379> 
127.0.0.1:6379> flushall
OK
127.0.0.1:6379> 
127.0.0.1:6379> keys *
(empty list or set)
127.0.0.1:6379> 
127.0.0.1:6379> set baz foobar
OK
127.0.0.1:6379> 
127.0.0.1:6379> keys *
1) "baz"
127.0.0.1:6379> 
127.0.0.1:6379> get baz
"foobar"
127.0.0.1:6379>