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.
2. mortar-used as a bond in masonry or for covering a wall. building material-material used for constructing buildings. cement-a building material that is a powder made of a mixture of calcined limestone and clay; used with water and sand or gravel to make concrete and mortar.