Getting Started using PEAR/PECL
PEAR and PECL packages are installed using the pear command line tool that automates the process by communicating with the repository via remote procedures.

Installing the Cache PEAR package
[john@coggeshall.org ]# pear install Cache
downloading Cache-1.5.3.tgz ...
Starting to download Cache-1.5.3.tgz (32,242 bytes)
.........done: 32,242 bytes
install ok: Cache 1.5.3