（官方中文翻译）
下面列表是本人通过程序搜集的help命令整理的聚合列表，希望为redis填把火。
| COMMAND | summary | since | group |
| DEL key [key ...] | Delete a key | 1.0.0 | generic |
| EXISTS key [key ...] | Determine if a key exists | 1.0.0 | generic |
| EXPIRE key seconds | Set a key's time to live in seconds | 1.0.0 | generic |
| KEYS pattern | Find all keys matching the given pattern | 1.0.0 | generic |
| PEXPIRE key milliseconds | Set a key's time to live in milliseconds | 2.6.0 | generic |
| RENAME key newkey | Rename a key | 1.0.0 | generic |
| RENAMENX key newkey | Rename a key, only if the new key does not exist | 1.0.0 | generic |
| SORT key [BY pattern] [LIMIT offset count] [GET pattern [GET pattern ...]] [ASC|DESC] [ALPHA] [STORE tination] | Sort the elements in a list, set or sorted set | 1.0.0 | generic |
| TTL key | Get the time to live for a key | 1.0.0 | generic |
| TYPE key | Determine the type stored at key | 1.0.0 | generic |
| HDEL key field [field ...] | Delete one or more hash fields | 2.0.0 | hash |
| HEXISTS key field | Determine if a hash field exists | 2.0.0 | hash |
| HGET key field | Get the value of a hash field | 2.0.0 | hash |
| HGETALL key | Get all the fields and values in a hash | 2.0.0 | hash |
| HINCRBY key field increment | Increment the integer value of a hash field by the given number | 2.0.0 | hash |
| HKEYS key | Get all the fields in a hash | 2.0.0 | hash |
| HLEN key | Get the number of fields in a hash | 2.0.0 | hash |
| HMGET key field [field ...] | Get the values of all the given hash fields | 2.0.0 | hash |
| HMSET key field value [field value ...] | Set multiple hash fields to multiple values | 2.0.0 | hash |
| HSET key field value | Set the string value of a hash field | 2.0.0 | hash |
| HVALS key | Get all the values in a hash | 2.0.0 | hash |
| LINDEX key index | Get an element from a list by its index | 1.0.0 | list |
| LLEN key | Get the length of a list | 1.0.0 | list |
| LPOP key | Remove and get the first element in a list | 1.0.0 | list |
| LPUSH key value [value ...] | Prepend one or multiple values to a list | 1.0.0 | list |
| LRANGE key start stop | Get a range of elements from a list | 1.0.0 | list |
| LREM key count value | Remove elements from a list | 1.0.0 | list |
| LSET key index value | Set the value of an element in a list by its index | 1.0.0 | list |
| LTRIM key start stop | Trim a list to the specified range | 1.0.0 | list |
| RPOP key | Remove and get the last element in a list | 1.0.0 | list |
| RPOPLPUSH source destination | Remove the last element in a list, prepend it to another list and return it | 1.2.0 | list |
| RPUSH key value [value ...] | Append one or multiple values to a list | 1.0.0 | list |
| SADD key member [member ...] | Add one or more members to a set | 1.0.0 | set |
| SCARD key | Get the number of members in a set | 1.0.0 | set |
| SDIFF key [key ...] | Subtract multiple sets | 1.0.0 | set |
| SDIFFSTORE destination key [key ...] | Subtract multiple sets and store the resulting set in a key | 1.0.0 | set |
| SINTER key [key ...] | Intersect multiple sets | 1.0.0 | set |
| SINTERSTORE destination key [key ...] | Intersect multiple sets and store the resulting set in a key | 1.0.0 | set |
| SISMEMBER key member | Determine if a given value is a member of a set | 1.0.0 | set |
| SMEMBERS key | Get all the members in a set | 1.0.0 | set |
| SMOVE source destination member | Move a member from one set to another | 1.0.0 | set |
| SPOP key [count] | Remove and return one or multiple random members from a set | 1.0.0 | set |
| SRANDMEMBER key [count] | Get one or multiple random members from a set | 1.0.0 | set |
| SREM key member [member ...] | Remove one or more members from a set | 1.0.0 | set |
| SUNION key [key ...] | Add multiple sets | 1.0.0 | set |
| SUNIONSTORE destination key [key ...] | Add multiple sets and store the resulting set in a key | 1.0.0 | set |
| ZADD key [NX|XX] [CH] [INCR] score member [score member ...] | Add one or more members to a sorted set, or update its score if it already exists | 1.2.0 | sorted_set |
| ZCARD key | Get the number of members in a sorted set | 1.2.0 | sorted_set |
| ZCOUNT key min max | Count the members in a sorted set with scores within the given values | 2.0.0 | sorted_set |
| ZINCRBY key increment member | Increment the score of a member in a sorted set | 1.2.0 | sorted_set |
| ZRANGE key start stop [WITHSCORES] | Return a range of members in a sorted set, by index | 1.2.0 | sorted_set |
| ZRANGEBYSCORE key min max [WITHSCORES] [LIMIT offset count] | Return a range of members in a sorted set, by score | 1.0.5 | sorted_set |
| ZRANK key member | Determine the index of a member in a sorted set | 2.0.0 | sorted_set |
| ZREM key member [member ...] | Remove one or more members from a sorted set | 1.2.0 | sorted_set |
| ZREMRANGEBYSCORE key min max | Remove all members in a sorted set within the given scores | 1.2.0 | sorted_set |
| ZREVRANGE key start stop [WITHSCORES] | Return a range of members in a sorted set, by index, with scores ordered from high to low | 1.2.0 | sorted_set |
| ZSCORE key member | Get the score associated with the given member in a sorted set | 1.2.0 | sorted_set |
| DECR key | Decrement the integer value of a key by one | 1.0.0 | string |
| DECRBY key decrement | Decrement the integer value of a key by the given number | 1.0.0 | string |
| GET key | Get the value of a key | 1.0.0 | string |
| GETSET key value | Set the string value of a key and return its old value | 1.0.0 | string |
| INCR key | Increment the integer value of a key by one | 1.0.0 | string |
| INCRBY key increment | Increment the integer value of a key by the given amount | 1.0.0 | string |
| MGET key [key ...] | Get the values of all the given keys | 1.0.0 | string |
| MSET key value [key value ...] | Set multiple keys to multiple values | 1.0.1 | string |
| MSETNX key value [key value ...] | Set multiple keys to multiple values, only if none of the keys exist | 1.0.1 | string |
| SET key value [EX seconds] [PX milliseconds] [NX|XX] | Set the string value of a key | 1.0.0 | string |
| SETEX key seconds value | Set the value and expiration of a key | 2.0.0 | string |
| SETNX key value | Set the value of a key, only if the key does not exist | 1.0.0 | string |
| MULTI | Mark the start of a transaction block | 1.2.0 | transactions |
每个命令不复杂，难点就是命令太多，但还需要自己花时间一行行的敲，一个个的实验。