서버에 설치된 모듈 리스트
[root@myspace bin]# ./pear list
Installed packages, channel pear.php.net:
=========================================
Package          Version State
Archive_Tar      1.3.2   stable
Console_Getopt   1.2.3   stable
PEAR             1.6.1   stable
Structures_Graph 1.0.2   stable

모듈 설치
[root@myspace bin]# ./pear install Net_UserAgent_Mobile-0.31.0
WARNING: channel "pear.php.net" has updated its protocols, use "channel-update pear.php.net" to update
downloading Net_UserAgent_Mobile-0.31.0.tar ...
Starting to download Net_UserAgent_Mobile-0.31.0.tar (Unknown size)
.........................done: 541,184 bytes
install ok: channel://pear.php.net/Net_UserAgent_Mobile-0.31.0

설치후 리스트
[root@myspace bin]# ./pear list
Installed packages, channel pear.php.net:
=========================================
Package              Version State
Archive_Tar          1.3.2   stable
Console_Getopt       1.2.3   stable
Net_UserAgent_Mobile 0.31.0  beta
PEAR                 1.6.1   stable
Structures_Graph     1.0.2   stable