Day 5 - sudo,apt,jdk

#java #beginners #payilagam #jdk

Task:

what is sudo:
-> Sudo is command that allows users to run programs with privileges of another user,such as the root users.
-> The term is an abbreviation For "Super user do".

Benefits using sudo:

→ scurity

→ Accountability

→ selective permission.

Example:

->Install package

->update the system

->Start system service

->Stop system service

->create a new user account

->change file permissions.

2.What is apt :
→ APT: (Advanced packaging tool)
→ apt is a free command line tool than manages software packages on debian-based linux system.
→ such as Debian and Ubuntu.

Purpose:
APT automates the process of installing, updating and removing Software packages.

Commands:
-> apt search
-> apt show
-> apt list
-> apt edit-sources.
What is jdk:
Open jdk:
-> open jdk is the open-source implementation of the java platform,standard edition.
-> It is the reference implementation of java SE specification and is developed under the open jdk project.
Default jdk:
-> The term default jdk typically refers to the java development kit.that is set as the default on a particular system or environment.