PIKT is cross-categorical, multi-purpose software for monitoring and configuring computer systems, administering networks, organizing system security, and much more. PIKT is intended primarily for system monitoring, and secondarily for configuration management, but its versatility and extensibility evoke many other wide-ranging uses. PIKT consists of a sophisticated, feature-rich file preprocessor; an innovative scripting language with unique labor-saving features; a flexible, centrally directed process scheduler; a customizing file installer; a collection of powerful command-line extensions; and other useful tools.
PLOTICUS is a command line utility for creating bar, line, pie, boxplot, scatterplot, sweep, heatmap, vector, timeline, Venn diagrams, and other types of charts and plots. ploticus is good for automated or just-in-time graph generation. It handles date, time, and categorical data nicely, and has some basic statistical capabilities. It can output to GIF, PNG, SVG, SWF, JPEG, PostScript, EPS, and X11. You can use convenient preset options or create complex scripts with rich and detailed color and style operations.
popexec is a program for Unix/Linux which checks a POP e-mail account and then runs a program whenever new e-mail arrives. It can also optionally run a program when it sees that you no longer have new e-mail in your POP box. Examples are included which show you how to: Write "You have mail" or "You have X new messages" to a terminal, make a terminal beep, play an audio file, pop an X window onto the screen, make your keyboard LEDs blink, change your desktop background.
PostgreSQL is a robust relational database system with over 25 years of active development that runs on all major operating systems. It is fully ACID compliant, and has full support for foreign keys, joins, views, triggers, and stored procedures (in multiple languages). It includes most SQL92 and SQL99 data types, including INTEGER, NUMERIC, BOOLEAN, CHAR, VARCHAR, DATE, INTERVAL, and TIMESTAMP. It also supports storage of binary large objects, including pictures, sounds, or video. It has native programming interfaces for C/C++, Java, .Net, Perl, Python, Ruby, Tcl, and ODBC, among others, and exceptional documentation.
PPR is a Unix print spooler expressly designed for operating PostScript printers. Its features are numerous, and it supports printers connected to parallel or serial ports, or over the network through AppleTalk, LanManager, LPD, and TCP/IP protocols. It accepts jobs from Microsoft Windows, Macintosh, and Unix clients. If the input file is not PostScript, it can pipe the input through a filter. PPR has been designed to manage large numbers of printers with minimal operator attention. It has command line and Web interfaces.