1 For example: service httpd restart This will issue a restart command to Apache.  The second would be to directly interact with the init script on the server. An example of this would be, /etc/init.d/httpd restart This will issue a restart command to Apache.
Definition[edit] Masonry is the craft of shaping rough pieces of rock into accurate geometrical shapes, at times simple, but some of considerable complexity, and then arranging the resulting stones, often together with mortar, to form structures.
The masonry arch is one of the oldest types of bridge. The first known ones were probably built in the middle east around 5500 years ago. Books often refer to something called a corbelled arch, which is not an arch under the usual definition. The masonry arch is one of the oldest types of bridge.