Explains Linux File Structure and basic Linux commands and file permission.

1. Linux
Fundamentals

2. AGENDA
● Presenter Introduction
● Linux
● Q&A

3. About Speaker
● Currently an AWS Cloud Engineer and Project-
Coordinator at Etisalcom in Bahrain.
● AWS SA associate & Alibaba Cloud Computing Associate certified
● Having 5+ years of experience in planning, designing, implementing, and
maintaining the system application in AWS Cloud and Linux
environment

4. What is Linux …?
Linux is an open-source, community-developed operating system. It is the
most widely used OS used in a wide range of devices like Computers,
Servers, Mainframes, Mobile devices(Android), and Embedded systems

5. Why Linux …?
● OpenSource
● Secure
● Runs on any hardware(from embedded systems to mainframe computers)
● Large Community Support
● Customizable and many more.

7. Linux Distributions/Flavours…
Following are the popular linux distros:
● Red Hat Enterprise Linux
● CentOS
● Fedora
● Debian
● Ubuntu
● OpenSUSE
● Kali Linux

8. Linux Directory Structure …
The Linux directory structure is like a
tree.The base of the Linux file system
hierarchy begins at the root.
Directories branch off the root, but
everything starts at root.

10. Linux Files Ownership and Permissions …

11. cd pwd
ls sudo
mkdir mv
df rm
cat ps
Common Linux Commands …

12. Package Management …
Ubuntu CentOS
apt install [packagename] yum install [packagename]
apt remove [packagename] yum remove [packagename]
apt update [packagename] yum update [packagename]

13. File Creation & Editing…
touch command is used to create an empty file which can be edited through
linux text editor.
touch [filename]
Some popular linux text editors are:
● vi.
● nano.
● vim.
● You can use other text editors like VScode, atom etc.

14. There are some useful linux commands for system monitoring and
diagnostics that include but not limited to:
System Monitoring …
Netstat:
○ netstat -a
○ netstat -ap
○ netstat -an
top
ps

15. THANK YOU

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