Latex error concerning beamer class

[beejan]

I have installed beamer class as root and class fiel are stored in the directory
/usr/share/texmf/tex/latex/beamer/base. But while I am trying to run one simple tex program it is showing error as shown below.
ash-3.00$ latex test.tex
This is TeX, Version 3.14159 (Web2C 7.4.5)
(./test.tex
LaTeX2e <2001/06/01>
Babel <v3.7h> and hyphenation patterns for american, french, german, ngerman, n
ohyphenation, loaded.

! LaTeX Error: File `beamer.cls' not found.

Type X to quit or <RETURN> to proceed,
or enter new name. (Default extension: cls)

Enter file name:


Pl. help me

 

[chiguoquan]

latex error beamer.cls not found

After you install beamer,you have to run

mktexlsr