In Lab 4, I will show how the following commands operate:

apt-get update

The apt-get update command is use to update the system packages from the repository.

ping

The ping command is use to determine if a remote location is reachable.

netstat

The netstat command is use to examine various network settings and statistics.

wget

The wget command is use for downloading files.

locate

The locate command is use to perform a search of pathnames and output those that matches the substring.

gzip

The gzip command is use to compress one or more files.

gunzip

The gunzip  command is use to decompress files.

tar

The  tar  command is use to to archive files.

zip

The zip command is use to both compress and archive files.

unzip

The unzip command is use to decompress a zip file.