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I removed all the anti-virus and firewall software for the following reasons:
1) Resource hogs.
2) The mfr antivirus that comes with your operating system works just as good.
Mac Catalina OS – security built-in.
Windows 10 Defender comes standard.

For added protection I recommend:
1) Windows – Sandboxie, sandbox technology.
2) Mac – App Sandbox.

To clean Windows malware:
Hitman Pro (30 day trial)
This works, cleans malware others cannot.

To clean OS:
Malwarebytes (Free and Premium versions)

Operating Systems
Fully equipped PC can be expensive (Intel I9, 32G ram, 8gb video card)
Open Source
Can purchase laptop/desktop with Linux installed from Dell.
StabilityGoodWindows 10 Ver 1909
very stable now.
Very stable system, Linux can run for years without needing to be restarted.
MalwareVery little at this time.
As more and more users and business' switch to Mac, hackers will start focusing on Mac vulnerabilities.
Vulnerable: requires antivirus protection.
Hackers focus on Windows because it is the most popular OS in the world.
Virtually none.
OS SizedHuge - requires lots of RAM.Huge - requires even more RAM.Small and lightweight.
Doesn't require fast processor or lots of RAM.
AppsCan run Windows applications.Proprietary
Has the most available software.
Not as much software available.
MediaGreat running on multi-media.Best for gaming.Not as much multi-media apps available.
VarietyCurrent OSCurrent OSLinux is a kernal (core) - requries a Distribution to function. There are several Distribution choices to give Linux a different feel and look: Fedora (Red Hat), Ubuntu, Debian, Mint.
of Use
Very user friendly.
Unless coming from Windows, there is a learning curve.
Easy to use.Slight learning curve.
Also learning curve between different distributions.
UpgradeUse proprietary hardware and cannot be upgraded as easily.

Uses standard form factors, easier to upgrade,

Uses standard form factors, easier to upgrade.
Apple has it's own help section, and valuable online documentation.
Forums and other support available on the web.
Microsoft has it's own help section, and valuable online documentation.
As the most popular OS, you can always find infomation or tips on the web.
Free and Unlimited, through the Open Source Community. Much documentation available on the internet.
CoolnessBest looking hardware.Depends on Brand, some are cool looking.Same as windows hardware.
Just turn on and use.Most users also just turn on and use. But OS has capability for Geeks to tweak and play with.Since one needs to download the OS and manually do an install and setup... A real Geek. You know what you are doing (can purchase pre-installed fro Dell).
Linux Distributions

Linux Distributions

Many different groups of developers put together their own distro for you to download in the form of a precompiled package.
DistroDescriptionFree pr Pay
Elementary Always places in the top 10 of every list: bestlooking desktop, clean and simple. Some say it's style is similiar to the OSX desktop.Pay what you want
MintOffers 4 different starter downloads or flavors each with a different desktop look. Also great support for media formats.Free
UbuntuOne of the first distros, is available in desktop and server editions. Recommended for those switching from Win or Mac.Free
LUbuntuLightweight and faster version of Ubuntu. Uses Lightweight X11 Desktop Environment (LXDE).Free
DebianOne of the oldest and most popular distros. Large community support.Free
Fedora WorkstationUsing a distribution made by RedHat, the biggest Linux kernel contributor in the world. Has built in Docker support.Free
openSUSEAlternative to Ubuntu and other Debian based Linux distros. Makes use of a GUI tool called YaST to install and setup an openSUSE system a breeze.Free
TailsIts aim is protecting your privacy and anonymity. Because Tails is a live OS, it's actually not installed onto a PC, when you disconnect from the Internet and turn off the computer, there is no trace of activity on your hard drive. All traffic run through the Tor network.Free
Arch LinuxArch a distro for intermediate and advance users. Not as easy to install, but allows you to customise your build using ability to choose the package to download and install.
Manjaro A Linux distribution which is based on Arch Linux. A fast, user-friendly, desktop-oriented operating system and easier to install.Free
CentOSCentOS is derived from RHEL (Red Hat Enterprise Linux) sources. Is available for download in 5 different variations. Great choice for server reliablility, but not the best desktop experience.Free
KubuntuA descendant of Ubuntu, and uses the KDE desktop environment. Has a Windows like interface, so excellent choice for those migrating from Windows.Free
Korora 25Korora is ideal for those new to Linux. Easy to setup and very user friendly.
Does not offer much for experienced users.
AntergosAntergos is an Arch based distribution and was designed for ease of use.$2.00 Tip
Free Mac Maintenance
UtilityShort Description
OnyxMultifunctional utility for Mac OS X. It allows you to verify the startup disk and the structure of its System files, to run miscellaneous tasks of system maintenance, to configure the hidden parameters of the Finder, Dock, Spotlight, and of some of Apple\'s own applications, to delete caches, to remove a certain number of files and folders that may become cumbersome and more.
MaintenanceMaintenance is a System Maintenance and Cleaning utility for Mac OS X which allows you to run misc. tasks of system maintenance: repair permissions, run periodic scripts, reset Spotlight’s Index, rebuild the LaunchServices database, delete Application, Font and System cache, check the status of the hard disk, and more.
ultimateTaskA comprehensive utility with a simple, easy to use interface, to take care of some of the more important cleanup/maintenance tasks for your computer. ultimateTask is especially useful for System Administrators in charge of many Workstations.
AppleJackAppleJack is a user friendly troubleshooting assistant for Mac OS X. With AppleJack you can troubleshoot a computer even if you can\'t load the GUI, or don\'t have a startup CD handy.
CPU Speed AcceleratorYou want to increase the power of your Macintosh? At very low cost? You want to increase by 20% to 30% the speed of your applications without spending money in new hardware? You want to automatically always make the most of the power of your CPU to the foreground application you are using?
Then CPU Speed Accelerator is what you need!
IceCleanA powerful System Maintenance and Optimization Tool using only UNIX built-in System Tasks to help your Mac stay healty and to keep it running smoothly. Version 3.0 is now completely renewed in Scripting and Cocoa Interface for help you in faster and useful Tasks Managing of All Unix Power.
MountyA small status item living in the main menu bar - monitors your free disk space on each volume and notifies you, if disc space is short.
Furthermore, it provides easy access to to each volume and shows free space details. Within its ’Finder Tool’ menu, it provides some small helpful tools to access some volume related OS X features.
AppCleanerA small application which allows you to thoroughly uninstall unwanted apps.
CCleaner for MacThe free CCleaner aims to clean up your OS X system (version 10.5 and greater) by managing cookies (bits of data used to track your Web browsing activity), repairing permissions, and freeing up hard disk space.
Free Windows Maintenance
UtilityShort Description
WiseCareWise Care 365 is a bundle of important registry, disk, and other system utilities for your PC. Easy to use and effective, Wise Care 365 is the best solution to improve your PC's performance. Get Wise Care 365 and your computer will never run slowly again!
CCleanerCCleaner is the number-one tool for cleaning your Windows PC.
Important! - In a supply chain attack that may be unprecedented in the number of downloads, servers hosting CCleaner, a popular tool for cleaning up the PC, has been delivering a version of the said software with malware. Update to software version 5.34 or higher.
GlaryUtilitiesGlary Utilities is a freeware with registry and disk cleaning, privacy protection, performance accelerator and amazing multifunctional tools. It can fix dogged registry errors, wipe off clutters, optimize internet speed, safeguard confidential files and maintain maximum performance.
Advanced System Care FreeA simple registry cleaner cannot give you true performance boost. Advanced SystemCare Free 5 combines Registry clean, defrag, system tune-up, shortcut fix, privacy sweep, junk files clean, disk fix and optimization, and more, to guarantee your PC run like a new one.
Windows XP Disc CleanerThe Disk Cleanup tool helps you free up space on your hard disk by searching your disk for files that you can safely delete. You can choose to delete some or all of the files. Use Disk Cleanup to perform any of the following tasks to free up space on your hard disk:
Auslogics Disk Defrag Defragments files and free space. Can work silently in the background. Moves system files to the fastest part of the disk. Can defrag a single file or folder.
Absolutely free for home and commercial use.
DefragglerUse Defraggler to defrag your entire hard drive, or individual files - unique in the industry. This compact and portable Windows application supports NTFS and FAT32 file systems.
MyDefragMyDefrag is a free defragmentation program for all Windows systems starting from Windows 2000*1.
MyDefragGUI is the graphical user interface for comfortable handling for this program.
Smart Defrag It is known that disk fragment has been a primary cause of slow and unstable PC performance. With \"install it and forget it\" feature, Smart Defrag 2 works automatically and quietly in the background on your PC, keeping your hard disk running at its top speed. This powerful, award-winning free disk defragmenter is 100% safe and clean with no adware, spyware, or viruses.
Mz StartUp ManagerMz StartUp Manager was designed to help users easily control Windows startup configuration. You can add, enable-disable or delete unwanted programs which automatically start after boot, making the startup procedure more efficient and faster.
Mz Services ManagerMz Services Manager is a small, simple, easy-to-use application, designed to help you take control of Windows services. Create Windows services profiles based on on what is suitable for you and load them whenever you decide. Finally, you can choose to perform an automatic tune-up to increase PC performance.
Glary Quick StartupUsing the StartUp manager you can easily add, remove, edit, disable, and enable any and all of these \"startup items\" in order to keep your system\'s boot-up process as fast and efficient as possible. *Also available in the Glary Utilities.
ATF CleanerThe ATF Cleaner is a non-invasive program that looks for files listed as temporary files and removes them from your system.
Comparison SSD vs HD
Boots in seconds.Slow, may take over a minute.
Depends on heads reading data (if fragmented or not)
Launches apps fast.Slower
DurabilityNo moving parts.
Lasts long time.
Moving parts, susceptible to shock = wears out in time.
Recommended to disable scheduled defragmentation.
Required for optimal performance.
No moving parts.
WeightLess parts.
9x - 10x lighter
Excellent weight savings for laptops.
Rotating Discs, spindle and motor.
Requries less power = less heat.
Rotaing discs and motor require more power = heat.
Power UseageLittle
Longer battery life in laptops.
More drain on laptop battery.
Memory CapacityUp to around 400 GB
Reports of a 800GB by Intel.
Up to around 4TB
Larger size = more platters for more storage.
Approx $1.50 - $2.00 per GB
Approx $0.10 per GB
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