System settings and basic operations

GUI user logon

Root User super administrator)

Pre-created common users

RHEL5 uses GNOME Desktop by default

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Console shortcut

Graphical interface character terminal: Ctrl + Alt + Fn

Use Ctrl + Alt + Shift + Fn in the VMware Environment

Character terminal character terminal: Alt + Fn

Character terminal graphical interface: Alt + F7

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Pseudo character terminals in graphic desktop environments

Program: gnome-terminal

Open Mode: Right-click the blank area on the desktop and select "open terminal"

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Log out and exit the system

Select "system"> "logout" to switch users

Select "system"> "Shut Down" to disable, restart, and sleep

Desktop preferences

Desktop topic

System font

Screen Saver

Screen Resolution

Desktop background

......

Basic System Management Tools

"User and group Tools"

"Server Settings" → "service" Tools

"Network" tool

Uname command

View System Information

Common Command Options:

-A: displays the host name, kernel version, hardware platform, and other details.

-R: displays the kernel version.

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Hostname command

View the complete host name

Including host name and domain name

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Ifconfig command

View IP addresses

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View CPU Information

/Proc/cpuinfo

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View memory information

/Proc/meminfo

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Shutdown

Shutdown and poweroff

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Restart operation

Shutdown, reboot

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Delayed shutdown or restart

The system will restart in 15 minutes

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To cancel the restart, press Ctrl + c.

This article is from the "steven, blog" blog, please be sure to keep this source http://stevensj.blog.51cto.com/8011491/1305113