CentOS7(linux) 通过服务名查询安装目录

#ps aux|grep nginx

root 1231 0.0 0.0 46336 956 ? Ss 04:21 0:00 nginx: master process /usr/sbin/nginx -c /etc/nginx/nginx.conf
nginx 1232 0.0 0.2 46808 2144 ? S 04:21 0:00 nginx: worker process
root 1247 0.0 0.0 112660 972 pts/0 R+ 04:56 0:00 grep --color=auto nginx

# ls -l /proc/1231/exe

lrwxrwxrwx. 1 root root 0 Nov 6 04:24 /proc/1231/exe -> /usr/sbin/nginx

CentOS7(linux) 通过服务名查询安装目录

原文：http://www.cnblogs.com/xiaoruilin/p/7794429.html