1. Gulshan Verma Singsys Pte. Ltd.
Basics of Linux
Gulshan Verma
Singsys Pte. Ltd.

2. Tux The Penguin, Mascot of Linux
So, the first one is Social.
Social refers to the interaction of people with other people and to their surroundings, irrespective of whether they are aware of it or not, and irrespective of whether the interaction is voluntary or involuntary.
Now how these interactions happens.
Earlier yellow pages, magazines and newspapers were responsible for these interactions but with the rise of technology and Social Media a whole new era of social interactions came to existence.
Tux The Penguin, Mascot of Linux

3. It is Unix based Operating System developed by community.
Originated at 1991.
It is free open source software (FOSS)
The defining component of Linux is the Linux kernel
Monolithic
Micro
The user interface, also known as the shell, is either a command-line interface (CLI)
Sh – simple shell
BASH – Bourne Again Shell
KSH – Korne Shell
CSH – C Shell
SSH – Secure Shell
Text Editor: VI, Emacs, gEdit, kWrite, Pico, Nano etc.
Multics – 1964 Unics – 1969 Minix – 1990 Linux – 1991
Free - Means Liberty and not related to Price or cost
Open – Source code is available and any body can contribute to the development. Organization independent
4 Freedoms with FOSS
Freedom to run the software anywhere
Freedom to study how the programs work. i.e source code will be accessible
Freedom to redistribute copies
Freedom to improve the software

4. Basics Commands of Linux

5. Basic Commands $ ls List with filename only
$ ls –l List with all details
$ ls –a List with hidden files
$ ls -la List with hidden files and details

6. Interesting, right?
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