Find the number of web accelerators used for each Operating system.
CREATE TABLE web_client_accelerator (Operating_system VARCHAR)
SELECT Operating_system, COUNT(*) FROM web_client_accelerator GROUP BY Operating_system
### Context: CREATE TABLE web_client_accelerator (Operating_system VARCHAR) ### Question: Find the number of web accelerators used for each Operating system. ### Answer: SELECT Operating_system, COUNT(*) FROM web_client_accelerator GROUP BY Operating_system