list of commands

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cat - concatenate and display the contents of files
usage:
    cat sample.txt

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cd - change the current working directory
usage:
    cd /usr/home/CCAtAlvis

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del - delete configuration keys
usage:
    del key-name

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exec - execute a file
usage:
    exec module4.ai

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ls - list the files and directories in a directory
usage:
    ls
options:
    --author print the author of each file
       eg: ls --author

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netinfo - get network info of a machine
usage:
    netinfo

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pwd - print name of current/working directory
usage:
    pwd

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rm - remove(delete) files or directories
usage:
    rm server.keys
note: caution when using rm -rf

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sendmail - used for sending emails
usage:
    sendmail from@email.com to@email.com text-message

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set - set(override) configuration keys and values
usage:
    set key-name value

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ssh - is a program for logging into a remote machine and for executing commands on a remote machine.
usage:
    ssh user@192.168.100.43
options:
    -p provide a user password
       eg: ssh root@192.168.100.43 -p password

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users - get user accounts registered on a ip address
usage:
    users 123.4.20.69

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wget - is a utility to download files from the web
usage:
    wget https://tinyurl.com/3z89sv2r

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wput - is a utility to upload files to a remote machine
usage:
    wput filename.conf user@remote-machine

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