memcached command: Simple get cache value usage

Memcached: Command usage
1. cmd input telnet IP port into memcached server window
For example: XXX. Token_t1435622096xxx as key
Gets the memcached value value for this key: Get XXX. Token_t1435622096xxx
Remove the Memcached value value for this key: delete xxx. Token_t1435622096xxx
The new memcached value value for this key: Set XXX. Token_t1435622096xxx 0 0 3
The first parameter of XXX. Token_t1435622096xxx is a key value, the second parameter is like an index disregard, the third parameter: expires in seconds 0 permanent,

The third parameter, byte length,
After carriage return, the user enters a specific value, 3 means three bytes: for example: ABC

memcached command: Simple get cache value usage