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Linux lec 4, 5, + (GNU, Kernel), Project of Unix - Coggle Diagram
Linux lec 4, 5
Features/Advantages
Open-Source
Secure
Simplified Updates for
all installed softwares
Light Weight
1 GB == 50 GB RAM on Windows
Multi-user
No limit of users
Architecture
User
Shell
Kernel
Hardware
Terms
Folder => Directory
Administrator => Root User
File => File
Software => Package
File System Hierarchy
/
/boot
Contains bootable
files for Linux
/etc
It contains all
configuration files
/home
home directory for other users
/root
home directory
for root user
/usr
By default Softwares
are installed here
/bin
Contains commands
used by all users
/sbin
Contains commands
used by root user only
/opt
optional packages
/dev
Essential device files
Developed by Linus Torrald
In 1991
is a
Was actually developed from scratch (Not a flavor of Unix)
+
GNU
=
Operating System
Current Famous Distributions
Base Technology
Paid
Fedora
Debian
Red Hat Enterprise
Linux (RHEL)
Free
Amazon Linux
Ubuntu
3rd most used
meaning
Team Work
Community Enterprise
Operating System
(Cent OS)
Kali Linux
Mostly used
by hackers
Used By
Command Line
Interface (CLI)
Graphical User
Interface (GUI)
Group of Open-Source Applications
Kernel
Project of Unix
Bell Laboratory in New Jersey Started
Purpose
Multiple users can collaborate on one platform
Withdrawal
(unsuccessful)
In 1969
Dennis Ritchie &
Ken Thompson
In 1969
Developed
UNICS
Uniplexed Information
& Computing Services
UNIX v6
In 1975
Free Open-Source
Flavors of Unix
IBM-AIX
Sun Solaris
Mac OS
HP-UX
!=
In 1964
