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Activity Monitor is a system monitor for the OS X operating system, which also incorporates task manager functionality. Its functions include:

• Quitting or "killing" a computer process
• Viewing the computer's CPU load
• Checking the amount of random access memory in use or swapped out
• Checking the amount of hard disk read-ins and write-outs
• Checking the capacity of storage devices
• Monitoring the computer's network usage
• Inspecting running computer processes
• Viewing a process identifier number
• Viewing information about a particular process

Activity Monitor appeared in Mac OS X v10.3, when it subsumed the functionality of the programs Process Viewer (a task manager) and CPU Monitor found in the previous version of OS X.

In OS X 10.9, Activity Monitor was significantly revamped and gained a 5th tab for "energy" (in addition to CPU, memory, disk, and network).

See also

• Resource Monitor for Microsoft Windows

References

1. "OS X 10.10 Yosemite release date". Retrieved November 16, 2014.
2. "Using Activity Monitor to read System Memory and determine how much RAM is being used". Apple. February 21, 2012. Retrieved April 17, 2012.
3. Chung, Jackson (September 10, 2008). "Macnifying OS X: Learning To Utilize Activity Monitor on Mac". MakeUseOf. MakeUseOf. Retrieved April 17, 2012.
5. Brad Miser (2004). Special Edition Using Mac OS X, V10.3 Panther. Que Publishing. p. 926. ISBN 978-0-7897-3075-6.
6. http://reviews.cnet.com/8301-13727_7-57609748-263/activity-monitor-in-os-x-mavericks-brings-significant-changes/

External links

• List of common processes on Mac OS X

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