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There are multiple commands which allow a user or administrator to either view or change the system configuration, though most such changes must be made by the root user (uid0) or equivalent.

To view the networking configuration for instance, you may issue the command:

# ifconfig -a

To view the routing table, you could issue the command:

# netstat -r

To view the current network connections you could issue the command:

# netstat -a (though you'll likely want to pipe the output into the less command)

To view the current process table you could issue the command:

# ps -afe

All of the above commands have many, many switches not mentioned in this response and this response is necessarily incomplete. For more information on the above commands, consult your system's man pages...

$ man netstat

or

$ man ifconfig

etc...

or consider acquiring one or more of the books published by Tim O'Reilly. I have dozens of them. [JMH]

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Q: What command can be used in the Linux system to determine the current configuration of the system?
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