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B.10. Miscellaneous Tools

The following tools assist you with performing such tasks as searching online documentation, switching user IDs, and controlling how programs run:


apropos

Locates commands by keyword.


clear

Clears the screen.


dc

Serves as a reverse-polish arbitrary precision calculator.


man

Gets information on a command.


nice

Changes a job's priority.


nohup

Keeps a job running even if you log out.


passwd

Changes your password.


script

Produces a transcript of your login session.


su

Allows you to become the superuser. Since the root account is disabled by default, you should use sudo instead.


sudo

Executes a command as another user. This tool is usually used to temporarily gain superuser privileges.

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    Mac OS X Tiger for Unix Geeks
    Mac OS X Tiger for Unix Geeks
    ISBN: 0596009127
    EAN: 2147483647
    Year: 2006
    Pages: 176

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