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The command password issued without an argument with change the password of-
A popular website requires users to create a password consisting of digits only. If no digit may be repeated and each password must be at least 9 digits long, how many passwords are possible ?
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When you connect to an online information service, you are asked to provide some kind of identification such as your name, an account number and a password. What is the name given to this brief dialogue between you and the information system?
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The nation whose government is promoting large families because of an aging population and low fertility rate is
Which command is used to list out all the hidden files along with the other files?
Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories?
Filename extensions help identify certain files. What filename extension identifies executable files?
On-line transaction processing is used when ______________. I) it is required to answer random queries. II) it is required to ensure correct processing. III) all files are available on-line. IV) all files are stored using hard disk.