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this by creating backup copies of all of your files (or just the important ones) on an external hard disk
drive or an online backup service.
External Hard Disk Drives
To keep your file safe, you can purchase an external hard disk drive and
copy the content of your computer on it. The initial backup could take
several hours. Follow-up backup should be conducted on a regular basis,
but it may not take long because the drive will only need to copy your
most recent files. External Hard Disk Drive
Online Backup Services
You can also backup your files to one of the online
backup services like Google Drive, Backblaze,
Carbonite, Dropbox, etc., from where your files
will always be accessible to you. The amount of
storage space provided by these websites varies
and you may have to pay a monthly or yearly fee
for adequate storage.
Online Backup Service
OTHER MAINTENANCE TECHNIQUES
To keep your computer running smoothly, it is important to keep files and folders uncluttered. Cluttered
or unorganised folders make it more difficult to find the files you need. Additionally, unwanted files can
eventually fill up your hard disk drive, which will make your computer slower and more difficult to use.
There are few things that you can do to delete unwanted files and improve your computer’s performance:
Delete files: If you have unwanted files, you can delete them manually and move them into the
Recycle Bin, then empty the Recycle Bin.
Disk Defragmenter: Windows includes a Disk Defragmenter program in the Control Panel. It scans
the files of your hard disk drive and rearranges them to free-up space. If your computer is working
slowly, running Disk Defragmenter can help to speed it up.
Disk Cleanup: Windows also includes a Disk Cleanup program in the Control Panel. It scans your
computer for temporary files and other files that can be deleted. You can then delete the files to
free up space on your hard disk drive.
MALWARE
Malware is a malicious software. It refers to software programs designed to damage or carryout
other unwanted actions on a computer system. In Spanish, 'mal' is a prefix that means 'bad,' making
the term 'badware,' which is a good way to remember it.
The different types of malware are virus, worm, trojan horse, spyware, zombies, ramsomware, rootkit
and backdoor.
Computer Safety and Security 67

