Simplifying Concepts

Essence of Life is in Simplicity

Difference between Windows and Linux

Difference between Windows and Linux.

Compare Windows and Linux.

Differentiate/Compare/ Difference between Windows and Linux.

Difference between Windows and Linux

Difference between Windows and Linux

Criteria

Windows

Linux

Built by:

Microsoft.

By Linus Tovalds.

Nature:

Proprietary operating system .

Is an open source operating system.

Ease of Use:

Is very user friendly.

Has a learning curve, not so user friendly.

Share:

Has a huge marketshare and is preferred by common users.

Very small market share and is preferred by developers.

Security:

Is not so secured and vulnerable to attacks by hackers.

Is considered to be highly secure and almost no incidence of attacks.

File system:

Earlier version of windows used to use flat file system.

From its initiation it had concept of hierarchical file system .

Interoperability:

Windows supports large application that are specific for windows.

Has limited applications, however windows applications to an extent can be run on linux using wine.

Released in:

1st version of windows was released as early as 1985(not MS-DOS).

Released as early as 1991.

Versions:

Prominent windows OS include Windows XP, 7, 10.

Prominent Linux versions include Ubuntu, Fedora, Solaris.

Supports File Systems:

NTFS, FAT32.

EXT-2,3,4 and XFS, JFS.

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Difference between Naxalism and Terrorism.

Difference between Naxalism and Terrorism.

Compare Naxalism and Terrorism.

Differentiate between Naxalism and Terrorism.

Differentiate/Compare/ difference between naxalism and terrorism.

Factors/Criteria

NAXALISM

TERRORISM

Aim:

To overthrow the state by means of force i.e. through armed guerilla warfare.

To create fear in the minds of people by maximal violence.

Basis:

It is usually ideology based like the case of Marxism, Maoism.

It may be ideological, political or religiously motivated.

Target:

Naxalites target the government, civilian administration & security forces.

Target of terrorists is masses with intention of mass destruction.

Perpetrators:

It is carried out usually be non-state actors.

Carried out by both state (Pakistan on India) and non-state actors.

Reason:

Reason for its proliferation is lack of development & governance.

It is proliferated for achieving religious and political goals.

Funding:

Kidnapping, extortion from road/mineral/tendu contractors, looting arms.

Funding from Arab sympathizers, drug trafficking, selling of natural resources.

Type:

It is an internal security threat.

It is an external security threat.

Against:

Can be considered against the government.

It is against the country.

Recruitment:

Pursue coercion or ideological indoctrination to raise cadres.

Use online media for radicalization and lone wolf attacks.

Example:

CPI(Maoist) and People’s War group.

Laskar-e-Taiba, JEM, ISIS.

Red corridor


Pic credits: Wikipedia

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Compare LILO and GRUB

Compare LILO and GRUB.

Difference between LILO and GRUB.
Differentiate between LILO and GRUB

Differentiate/Difference between/ Compare LILO and GRUB.

LILO & GRUB

LILO & GRUB

Factors/Criteria

LILO

GRUB

Terminology:

LILO stands for Linux Loader.

GRUB stands for Grand Unified Boot Loader.

Interactiveness:

LILO does not support interactive command interface.

GRUB supports interactive command interface.

Network:

It does not support booting from network.

It supports booting from network.

Type:

It acts as a boot loader for Linux OS.

It can boot different type of OS’es.

Stores:

It stores info regarding location of OS into MBR, thus each time new OS is added the config files need to be manually feeded.

It automatically detects any change in config files and automatically loads the operating system.

Support:

There is no assistance of good technical support.

It has a good technical support compared to LILO.

Boot:

It can boot around 16 OS from floppy drive, or hard disks.

It supports or can boot unlimited number of boot entries.

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Difference between FCFS,SJFS and Round Robin

Difference between FCFS,SJFS and Round Robin.

Difference between FCFS,SJFS and Round Robin.
Compare Scheduling algorithms

Differentiate/Compare/ Difference between FCFS,SJFS and Round Robin algorithms.
Differentiate/Compare/ Difference between scheduling algorithms.

Difference between FCFS,SJFS and Round Robin

Scheduling Algorithms

Factors

FCFS

SJFS

Round Robin

Type:

Not suitable for time sharing systems.

Not suitable for time sharing systems.

Suitable for time sharing systems.

Pre-emptiveness:

It is non pre-emptive.

It can be pre-emptive or non pre-emptive.

It is pre-emptive.

Priority:

No priority, processes execute on first cum first basis.

It is a priority algorithm in which priority is inverse of CPU burst.

Not a priority based algorithm.

Execution time:

Process is executed for the time equivalent to CPU burst time.

Process is executed for the time equivalent to CPU burst time.

Process is executed for quantum time ‘q’ after which it is pre-empted.

Type of Queue:

It uses a FIFO queue.

It uses a priority queue.

It uses FIFO circular queue.

Drawbacks:

It suffers from convoy effect.

It is difficult to predict the next CPU burst time of a process.

The long quantum time degenerates into FCFS.

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Difference between Circuit,Virtual Circuit and Datagram Switching

Difference between Circuit,Virtual Circuit and Datagram Switching.

Compare Circuit,Virtual Circuit and Datagram Switching.

Differentiate/Compare/ Difference between Circuit,Virtual Circuit and Datagram Switching.

Circuit & Virtual Circuit

Circuit & Virtual Circuit

Parameters

Circuit

Virtual Circuit

Datagram/Routing

Type

Connection oriented

Connection oriented

Connectionless

Circuit Established

A dedicated circuit is established between source & destination.

A virtual circuit is established between source & destination before data transfer.

No circuit or path is established.

Type of delivery

Sequential

Sequential

Out of order

Overheads

No header overheads.

Only label overheads.

Higher overhead.

Resource Allocation

Resources are allotted before data transfer.

Resources are allocated on demand.

No resource allocation required.

Type of data

Stream oriented.

Packet oriented.

Packet oriented.

Reliability

Highest

Good

Unreliable

Delay

Low

High

Unpredictable

Used for

Voice

Data

Data

Examples

Telephone systems.

X.25, frame relay.

Internet

Bandwidth

Fixed

Dynamic

Dynamic

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