What is RPM | Rpm Install Query Verify Erase Update -i -v -q -V -e

RPM is the Powerful package manager.
which is used for Install, Query, Verify, Update, Erase
software package.
Qurey related rpm package tool
-V refers to verify
[root@Jesus ~]# rpm -V http*
package http* is not installed
-q mean Query
[root@Jesus ~]# rpm -q http*
package http* is not installed
-q -l query list -ql
[root@Jesus ~]# rpm -ql http*
package http* is not installed
-i it will install that specified rpm package

[root@Jesus Server]# rpm -ivh lam-7.1.2-14.el5.i386.rpm
warning: lam-7.1.2-14.el5.i386.rpm:
Header V3 DSA signature: NOKEY, key ID 37017186
Preparing...         ########################################### [100%]