Squid proxy cache server daemon.
The squid command is the server daemon for the "Squid" high-performance web client proxy cache server suite.
squid [option]
-d: Send debug level information to standard error (stderr);
-f: Use the specified configuration file instead of the default one;
-k: Send a management signal to the Squid server (e.g., reconfigure, rotate, shutdown, interrupt, kill, check);
-s: Enable logging via syslog;
-z: Create swap (cache) directories;
-C: Do not catch fatal signals;
-D: Do not perform DNS parameter tests;
-N: Run in non-daemon mode (stay in foreground);
-X: Force full debugging mode.