What is Windows 95?

The Windows 95 operating system, which has a mixed graphical user interface between 16 and 32 bits, was released with a significant sales success by the Microsoft Windows software company. During development, it was known as Windows 4 or Chicago.

What is Windows 95?

What is Windows 95 Operating System?

It replaced MS-DOS as the operating system and Windows 3.x as the medium of the graphic. It is included in the family of Microsoft operating systems called Windows 9x. In OSR2 (OEM Service Release 2) version, it included the FAT32 file system in addition to the first look of the new USB at that time.

History

On August 24, 1995, Microsoft released Windows 95, a new version for consumers, and the changes to the user interface were large and preventive multitasking was also used.

It is designed to replace not only Windows 3.1 but for Windows for Workgroups and MS-DOS. It was also the first Windows operating system with Plug and Play.

The changes introduced by Win95 were revolutionary, unlike the following, such as Windows 98 and Windows Me.

Standard support for Windows 95 ended on December 31, 2000, and extended support ended on December 31, 2001.

32 Bit

The addition of 32-bit file access in Windows 3.11 for group work meant that MS-DOS True 16-bit mode was no longer used to process files while Windows was running. The release of 32-bit meant the end of using a computer’s BIOS to manage the hard drive.

This reduced the MS-DOS role for the Windows protected mod kernel to a simple Bootloader.

Given the impact Microsoft has on the performance and stability of the operating system, the included DOS can still be used to run older drivers for compatibility reasons.

The Windows Control Panel has improved overall performance when not in use by allowing users to see which MS-DOS components remain on the system.

Although the Windows kernel uses the old real MS-DOS drive mode as Safe Mode, this particular mode is designed to allow the user to fix problems that may arise when installing local drivers in protected mode.

File System

When 32 bit is entered into the file access, the use of long filenames that can be used for DOS programs started under Windows can be added to the system.

In its first version, Windows 95 used the FAT16 file system, which can be accessed with previous versions of MS-DOS, but long names were not displayed with compatible DOS systems from other companies that require an update.

Later, starting with OEM Service Release 2 (OSR2), the new FAT32 file system was included, with several key new features such as support for more than 2GB in partitions and incompatibility with previous Microsoft operating systems.

Also, Microsoft’s Windows 95 operating system included support for 255 characters.

Graphical User Interface

It released a simpler and more powerful new user interface, making the operating system the most successful of all time in less than two years, despite its flaws.

The Internet Explorer 4.0 installation included an update called the Windows Desktop Update, which, once installed, gave Win95 (and NT 4.0) a user interface that was very similar to its successor, Windows 98. This update has disappeared in Internet Explorer versions.

File Manager was replaced with Windows Explorer and submenus were added to the Start Menu.

Minimum System and Installation Requirements

The official requirements outlined by Microsoft are:

  1. PC with 386DX or higher processor (486 recommended).
  2. 4 megabytes (MB) memory (8 MB recommended).
  3. The hard disk space normally required to upgrade to Windows 95 is about 35-40 MB. The actual requirement depends on the features you choose.
  4. The hard disk space normally required to install Windows 95 on a clean system is 50-55 MB. The actual requirement depends on the features you choose.
  5. High-density 3.5-inch disk drive (installation from floppy disks).
  6. VGA or higher for resolution (SVGA 256 colors recommended).

   Windows 95 Versions

Name
Version
Release Date
Internet Explorer
USB Support
FAT32 Support
UDMA Support
Windows 95 (4.00.455)
4.00.950
1995
Yes
No
No
No
Windows 95 SP1
4.00.950A
1996
No
No
No
No
Windows 95 7374 OSR1
4.00.950A
1996
2.0
No
No
No
Windows 95 OSR 2
4.00.950B (4.00.1111)
1996
3.0
No
Yes
Yes
Windows 95 OSR 2.1
4.00.950B (4.03.1212)
1996
3.0
Yes
Yes
Yes
Windows 95 OSR 2.5
4.00.950C (4.03.1214)
1997
4.0
Yes
Yes
Yes

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