Need for a package manager

• Package management systems have made software management on Linux operating systems convenient.
• Package management systems handle the installation, update, removal, and management of software.
• Package managers allow for easy installation and updating of software over the internet.
• Package managers provide information on the files supplied by a package and the package that supplies a particular executable.
• Package managers ensure the compatibility and requirements of packages, making it easy to upgrade or add new packages without disrupting the existing setup.
• Package managers help verify the authenticity of software tools by using signatures.

Know your Machine

• It is essential to know the version of OS you are using.
• Knowing the version helps to install compatible packages.
• Use the lsb_release command
• The lsb_release command provides certain LSB (Linux Standard Base) and distribution-specific information.

Package Types