prompt:~> pear list
Installed packages:
===================
+----------------+----------+--------+
| Package        | Version  | State  |
| Archive_Tar    | 0.9      | stable |
| Console_Getopt | 0.11     | beta   |
| DB             | 1.2      | stable |
| Mail           | 1.0      | stable |
| Net_Sieve      | 0.8      | stable |
| Net_Socket     | 1.0.1    | stable |
| PEAR           | 0.91-dev | beta   |
| XML_Parser     | 1.0      | stable |
| XML_RPC        | 1.0.3    | stable |
| XML_RSS        | 0.9.1    | stable |
| XML_Tree       | 1.1      | stable |
+----------------+----------+--------+

prompt:~> pear remote-list
Available packages:
===================
+----------------------+---------+
| Package              | Version |
| Archive_Tar          | 0.9     |
| Auth                 | 1.0.2   |
| Auth_HTTP            | 1.0.1   |
| Benchmark            | 1.1     |
| Cache                | 1.5.1   |
| Config               | 0.3.1   |
| Crypt_CBC            | 0.3     |
| Crypt_Rc4            | 0.1     |
| Date                 | 1.1     |
| DB                   | 1.3     |
| DB_ado               | 1.1     |
| DB_Pager             | 0.7     |
| File                 | 1.0.2   |
| File_Find            | 0.1     |
| File_SearchReplace   | 1.0     |
| HTML_Common          | 1.0     |
| HTML_QuickForm       | 2.3     |
| HTML_Table           | 1.1     |
| HTML_TreeMenu        | 1.0.3   |
| HTTP                 | 1.1     |
| HTTP_Request         | 1.0     |
| HTTP_Upload          | 0.8     |
| Log                  | 1.2     |
| Mail                 | 1.0     |
| Mail_Mime            | 1.2     |
| Net_CheckIP          | 1.0.1   |
| Net_Curl             | 0.1     |
| Net_Dig              | 0.1     |
| Net_Geo              | 1.0     |
| Net_NNTP             | 0.1     |
| Net_Ping             | 1.0.1   |
| Net_POP3             | 1.1     |
| Net_Portscan         | 1.0.1   |
| Net_Sieve            | 0.8     |
| Net_SMTP             | 1.0     |
| Net_Socket           | 1.0.1   |
| Net_URL              | 1.0.3   |
| Net_UserAgent_Detect | 1.0     |
| Numbers_Roman        | 0.1     |
| Pager                | 1.0.4   |
| Payment_Clieop       | 0.1     |
| PEAR                 | 0.9     |
| PHPUnit              | 0.3     |
| Science_Chemistry    | 1.0.2   |
| System_Command       | 1.0     |
| XML_CSSML            | 1.1     |
| XML_fo2pdf           | 0.97    |
| XML_image2svg        | 0.1     |
| XML_Parser           | 1.0     |
| XML_RPC              | 1.0.3   |
| XML_RSS              | 0.9.1   |
| XML_Transformer      | 0.3     |
| XML_Tree             | 1.1     |
+----------------------+---------+

prompt:~> pear list-upgrades
Available Upgrades (stable):
============================
+---------+---------+------+
| Package | Version | Size |
| DB      | 1.3     | 58kB |
+---------+---------+------+

prompt:~> pear upgrade DB
downloading DB-1.3.tgz ...
...done: 59,332 bytes
upgrade ok: DB 1.3

prompt:~> pear install PHPUnit
downloading PHPUnit-0.3.tgz ...
...done: 7,284 bytes
install ok: PHPUnit 0.3