apt-get update- this command allows the user to install new program and packages

ping-this command is used to see if a particular host can be  reached across an IP network

netstat- this command can be used to  examine various network setting and the statistics

wget- This command is used to download files from remote location

locate- this command allows the user to find specific folders by name

gzip- this command is used to  compress files

gunzip- User may use this command to decompress files

tar- User may use this command is used to archiving files

zip-this command is used to as a compressor tool as well as an archiving

unzip-  user may use this command to decompress a zip file