--- title: Key Commands menu: main: parent: Client weight: 3 --- Ozone shell supports the following key commands. * [get](#get) * [put](#put) * [delete](#delete) * [info](#info) * [list](#list) * [rename](#rename) ### Get The key get command downloads a key from Ozone cluster to local file system. ***Params:*** | Arguments | Comment | |--------------------------------|-----------------------------------------| | Uri | The name of the key in **/volume/bucket/key** format. | FileName | Local file to download the key to. {{< highlight bash >}} ozone sh key get /hive/jan/sales.orc sales.orc {{< /highlight >}} Downloads the file sales.orc from the _/hive/jan_ bucket and writes to the local file sales.orc. ### Put Uploads a file from the local file system to the specified bucket. ***Params:*** | Arguments | Comment | |--------------------------------|-----------------------------------------| | Uri | The name of the key in **/volume/bucket/key** format. | FileName | Local file to upload. | -r, --replication | Optional, Number of copies, ONE or THREE are the options. Picks up the default from cluster configuration. {{< highlight bash >}} ozone sh key put /hive/jan/corrected-sales.orc sales.orc {{< /highlight >}} The above command will put the sales.orc as a new key into _/hive/jan/corrected-sales.orc_. ### Delete The key delete command removes the key from the bucket. ***Params:*** | Arguments | Comment | |--------------------------------|-----------------------------------------| | Uri | The name of the key. {{< highlight bash >}} ozone sh key delete /hive/jan/corrected-sales.orc {{< /highlight >}} The above command deletes the key _/hive/jan/corrected-sales.orc_. ### Info The key info commands returns the information about the key. ***Params:*** | Arguments | Comment | |--------------------------------|-----------------------------------------| | Uri | The name of the key. {{< highlight bash >}} ozone sh key info /hive/jan/sales.orc {{< /highlight >}} The above command will print out the information about _/hive/jan/sales.orc_ key. ### List The key list command allows user to list all keys in a bucket. ***Params:*** | Arguments | Comment | |--------------------------------|-----------------------------------------| | -l, --length | Maximum number of results to return. Default: 1000 | -p, --prefix | Optional, Only buckets that match this prefix will be returned. | -s, --start | The listing will start from key after the start key. | Uri | The name of the _volume_. {{< highlight bash >}} ozone sh key list /hive/jan {{< /highlight >}} This command will list all keys in the bucket _/hive/jan_. ### Rename The `key rename` command changes the name of an existing key in the specified bucket. ***Params:*** | Arguments | Comment | |--------------------------------|-----------------------------------------| | Uri | The name of the bucket in **/volume/bucket** format. | FromKey | The existing key to be renamed | ToKey | The new desired name of the key {{< highlight bash >}} ozone sh key rename /hive/jan sales.orc new_name.orc {{< /highlight >}} The above command will rename `sales.orc` to `new_name.orc` in the bucket `/hive/jan`. You can try out these commands from the docker instance of the [Alpha Cluster](runningviadocker.html).