The cache is the biggest issue when you develop so you need to know all the possible ways of cleaning it.
There are 3 way to clean the cache (similar to Magento 1):

  • From the backend (Admin):

  • Through command-line (CLI) tool:

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    # in your Magento root folder
    # the php from the beginning of the line can be omitted
     
    # -- cache:clean deletes the cache storage
    php bin/magento cache:clean
     
    # -- cache:flush will wipe out everything
    php bin/magento cache:flush
     

  • Manually removing the cache files:

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    # from magento root directory in command line run the command
    rm -rf var/cache/*
     

You can also check the cache status

First of all, let show cache status by the following command line:

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php bin/magento cache:status
 
 

Result of cache status

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Current status:
                        config: 1
                        layout: 1
                    block_html: 1
                   collections: 1
                    reflection: 1
                        db_ddl: 1
                           eav: 1
            config_integration: 1
        config_integration_api: 1
                     full_page: 1
                     translate: 1
             config_webservice: 1