A best effort service to comment code and learn about this lab.
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Install network simulator
$sudo apt install ns2 -
Download xgraph from http://www.xgraph.org/linux/index.html for appropriate Ubuntu on your machine.
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Untar the downloaded file :
$sudo tar -C /bin/xgraph/ -xvf xgraph_4.38_linux64.tar.gz
NOTE:
a. I have untarred this to my /bin/xgraph/ directory(of which the xgraph dir is once which Ive mkdir'd).You can choose to untar it to your desired location by replacing /bin/xgraph to your destination dir path.
b. This untared dir has a bin dir which contains the xgraph executable which we need to add to .bashrc -
Navigate to home using directory and open .bashrc file (.bashrc is a hidden file and hence may not show up in your file-explorer,either options->show hidden files or open it on VIM via the terminal).
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Create Alias for the command , add the below line into bashrc file
alias xgraph='path_to_the_untarred_dir/bin/xgraph' -
Run the below command to reflect changes made to bashrc :
$ source ~/.bashrc -
Have fun with tcl.`