It is important Oh, it will only start, stop, then do not say you'll apache
A, windows (win10)
1. httpd -help View Help
2. httpd -v view apache version
3. httpd -V display compiler settings
4. httpd -S check the configuration file is correct, when not start apache, first detected profile
5. httpd -E filename will start the error log to a file
6. httpd -k start | stop start, stop,
7. httpd -k restart graceful restart (apache service does not stop, reload the configuration file, after old child process exits to complete the request, open a new child process)
8. httpd -X debug mode, only one worker process
9. httpd -t check the configuration file is correct, returns Syntax OK or Syntax Error, fast
10. httpd -t -D DUMP_INCLUDES show all incorporated profiles
11. httpd -t -D DUMP_MODULES show all loaded modules
12. httpd -t -D operation after setting the parsing DUMP_RUN_CFG
13. httpd -t -D DUMP_VHOSTS displaying a virtual host settings parsed
14. httpd -L lists available configuration instructions each module
15. httpd -k uninstall uninstall apache service