Free system utilities definition software for mac

Erica Utilities is a package of free apps and a collection of handy command-line utilities for iPod touch/ iPhone geeks.
Here are some of the utilities available in the "Erica Utilities" pack:
abquery.Search your address book by name. Enter a search phrase that abquery matches to the address book name fields.
appLoad. Force Springboard to acknowledge new applications in the standard locations (/Applications and /var/mobile/Applications).
appSearch. Search the App Store from the command line. Enter a simple query phrase
badge. Badge application icons on Springboard with names, numbers, whatever.
deviceInfo. Query your iPod or iPhone for device attributes including platform name, processor, etc.
findme. Return your current locations latitude and longitude. New version returns XML.
ip-print. Show the current IP address used by your iPhone.
itmsSearch. Launch an iTunes store search from the command line
launch. Run an application from the command line as if it had been launched in Springboard. You must submit the application id, e.g. launch com.apple.Calculator
notificationWatcher. Listen for standard and/or Core Telephony notifications. Notification watcher eavesdrops on these system-wide notifications, which are sent using the BSD notification system (aka "Darwin Notification Center").
openURL. Launch a URL from the command line, e.g. openURL http://ericasadun.com or openURL tel://5055551212.
play. Play an audio file. Takes one argument, the name of the file
plutil. Property-list utility based on Apples and expanded with extra functionality. Run without arguments for a usage maessage.
recAudio. Record audio from the onboard microphone.
restart. A non-locking 2.0 safe version of restarting Springboard.
sb. A springboard-specific utility that allows you to set, reset and query your springboard prefs. Run without arguments for usage message.
sbar. Test status bar icons. Usage message gives info on how to use this utility.
tweet. Send an update to twitter. Takes 3 arguments: username, password, and the tweet itself. Use quotes if necessary on the tweet, to keep it as one argument.
urlclip. Create a webclip (either normal or tel://) on springboard from the command-line

System requirements:
- iPhone or iPod Touch

MacMame Utilities 0.9.9b is created as a professional and useful system utility. Having a little trouble keeping track of the tens of thousands of files that can build up in your MacMame collections? Then you might like to try MacMame Utilities (MMU). Performs checks on ROMs, Scores, Config, Artwork, Cabinet Art, Game Flyers, NVRAM, Screen Shots and Sound Samples. Checks for missing files in folders, identifies unwanted files and adds them to the exceptions list. Checks for unknown files in folders, and moves them to the trash. Checks for files that appear both in one of the folders and the exceptions list. Checks for duplicate zip files anywhere in your ROMs hierarchy and compares them, drags parts of one zip file into another. Merges your clones into their parent ROMs.

Multiple Users Info 1.0.1 gives a flexible, efficient, and easy to use system utility. Access Multiple User account info using AppleScript scripting. Determine the account name currently active, the type of account and if Multiple Users is active in general.