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linuxcommandguide:system [2014/11/04 10:11] (current)
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 +$ **uname –a** => Display linux system information ​ \\
 +$ **uname –r** => Display kernel release information \\
 +$ **cat /​etc/​redhat_release** => Show which version of redhat installed \\
 +$ **uptime** => Show how long system running + load  \\
 +$ **hostname** => Show system host name \\
 +$ **hostname -A** => Show system long name (FQDN) \\
 +$ **hostname -i** => Display the IP address of the host \\
 +$ **hostname -I** => Display ALL IP addresses of the host \\
 +$ **last reboot** => Show system reboot history \\
 +$ **date** => Show the current date and time \\
 +$ **cal** => Show this month calendar \\
 +$ **w** => Display who is online \\
 +$ **whoami** => Who you are logged in as \\