Customizing Your Computing Environment with Unix Commands

Exercise

1. List all of the environment variables set for your user environment.
2. Create a new environment variable called MYFILE and set it equal to myfile.txt.
3. Display the value of the environment variable MYFILE.

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1. Use the env command to list all of the environment variables set for your user environment.
2. Depending on the shell you are using, you can create this variable and assign it a value by entering:
   • setenv MYFILE "myfile.txt"  (if using a C-type shell such as tcsh or csh)
   • export MYFILE="myfile.txt"  (if using a Bourne-type shell such as bash or ksh)
3. Use the command 'echo $MYFILE'