Homework & Coursework Questions

I am a newbie to UNIX. I'm learning UNIX on my own, just trying to get the jerk of how things work in UNIX environment. I am familiar with Windows environment.


Can anyone pls write simple 'envprint' programs to :
1) List all the environment Information (using the -l or --l options)
2) List only the names of environment variables (using the -n or --n options)
3) List all entries containing the (in 'value' part)VAL string (using the -s VAL or --search Val options)
4) List the value for each of the specified environment variables (without using any option )

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