Difference between revisions of "Linux Terminal - System Information"

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=Sample Session=
 
=Sample Session=
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Here is an example session from running on the CS server using all of these commands.  Note that the part "cs299@cs:~> " is a prompt that is printed by the terminal, and the part after this is what was typed by the user.  So for the first command, the user typed the command uptime and then pressed enter.  The system then printed some information on the next line, and then printed the prompt "cs299@cs:~> " again to indicate it is ready for the next command.  The prompt displays "cs299" because that is the user that was logged in running these commands.  If your username was "cs15115" then your prompt would be something like "cs15115@cs:~>".
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The following is a transcript of the commands and screen output from the youtube video linked at the top of this page.  Blank lines have been put in after each command.  You can read through the transcript and think about what you think the output will be after each command is entered, and check that this is how it shows in the transcript.   
  
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You should login to one of the CS systems, open up the terminal, and try out these commands as well.  If you get an error, check that you are typing the commands exactly as they are given here. <br> [video demo]
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Note that the transcript is for the user cs15100 logged in to the CS server.
  
 
<pre>
 
<pre>
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cs299@cs:~> uptime
 
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09:00:45 up 56 days, 19:35,  3 users,  load average: 0.32, 0.31, 0.32
 
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cs299@cs:~> df -h
 
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Filesystem      Size  Used Avail Use% Mounted on
 
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/dev/root      1016G  229G  778G  23% /
 
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devtmpfs        498G    0  498G  0% /dev
 
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tmpfs            32M  2.3M  30M  8% /run
 
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tmpfs          498G  8.0K  498G  1% /dev/shm
 
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cgroup_root    8.0M    0  8.0M  0% /sys/fs/cgroup
 
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/dev/sda2      127G  22G  105G  17% /usr
 
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/dev/sda3      127G  8.3G  118G  7% /var
 
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/dev/sda4        64G  13G  51G  20% /tmp
 
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/dev/sda5        10T  2.8T  7.2T  28% /u1
 
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/dev/sda6      4.0T  685G  3.3T  18% /net
 
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/dev/sda7        18T  6.9T  11T  40% /store
 
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cs299@cs:~> whoami
 
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cs299
 
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cs299@cs:~> hostname
 
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cs.indstate.edu
 
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cs299@cs:~> pwd
 
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/u1/class/cs299
 
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cs299@cs:~> man pwd
 
 
</pre>
 
</pre>

Revision as of 04:32, 13 January 2020

This page is a part of the Linux and CS Systems - Getting Started. This page assumes you have your computer setup to connect to the CS server, or have the appropriate software installed on your computer to run commands. Go back to the Linux and CS Systems Getting Started main page if you don't have our system setup yet.

Commands

The following are some commands to print information about the system.

  • uptime - how long since last system reboot
  • df - information about disk free space
  • whoami - which user is currently logged in on the terminal
  • hostname - what computer are you currently running commands on
  • pwd - which directory are you inside of
  • clear - clear the terminal screen
  • finger - see which other users are currently logged in
  • man - help about a command (manual). While using man - use q key to quit, and up/down arrows to scroll.

Sample Session

The following is a transcript of the commands and screen output from the youtube video linked at the top of this page. Blank lines have been put in after each command. You can read through the transcript and think about what you think the output will be after each command is entered, and check that this is how it shows in the transcript.

Note that the transcript is for the user cs15100 logged in to the CS server. 






					

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