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Linux is, in simplest terms, an operating system. It is the software on a computer that enables applications and the computer operator to access the devices on the computer to perform desired functions. The operating system (OS) relays instructions from an application to, for instance, the computer's processor. Linux (often pronounced LIH-nuhks with a short "i") is a Unix-like operating system that was designed to provide personal computer users a free or very low-cost operating system comparable to traditional and usually more expensive Unix systems.
|You need to see the last fifteen lines of the files dog, cat and horse. What command should you use?|
|What is the minimum number of partitions you need to install Linux?
What command can you use to review boot messages?
|To display a list of all manual pages containing the keyword "date", what command would you type?
|What command is used to remove the password assigned to a group?|
|What daemon is responsible for tracking events on your system?|
|Who owns the data dictionary?|
|What is difference between user right and user permission?|
|When typing at the command line, the default editor is the _____________ library.|
|What is difference between AT and CRON?|
|What command you execute to display the last five commands you have entered?
Which partitions might you create on mail server HDDs other than the root, swap and boot partitions?
Which partitioning tool is available in all distributions?
Which two commands can you use to delete directories?
Which file defines all users on your system?
|Which of the following interprets your actions when typing at the command line for the operating system? Choose One
|Which daemon controls the network service -> POP3 mail service?
|You attempt to log out but receive an error message that you cannot. When you issue the jobs command, you see a process that is running in the background. How can you fix this so that you can logout?
a. Issue the kill command with the PID of each running command of the pipeline as an argument.
b. Issue the kill command with the job number as an argument.
c. Issue the kill command with the PID of the last command as an argument.
d. Issue the kill command without any arguments.
|How can u schedule a job using cron for 20 secs?|
|What are the common problems with threads?|
|Explain about return code?|
|In order to schedule a cronjob, the first task is to create a text file containing the jobs to be run along with the time they are to run. Which of the following commands will run the script MyScript every day at 11:45 pm?
a. * 23 45 * * MyScript
b. 23 45 * * * MyScript
c. 45 23 * * * MyScript
d. * * * 23 45 MyScript
|You have a file called salesdata and create symbolic links to it in bob's home directory. Bob calls you and says that his link no longer works. How can you fix the link?
a. The file salesdata has been deleted. You will have to restore it from a backup.
b. You will need to delete the symbolic link in bob's directory and recreate it.
c. Rename the link in bob's directory to salesdata.lnk.
d. Change the owner of the link in bob's directory and change the permissions to give others read and write permissions.
|Describe the boot process of your favorite Linux in as much detail as you can.
|Which file defines all users on your system?
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Latest 20 Questions
Payment of time- barred debt is:
Consideration is defined in the Indian Contract Act,1872 in: (a) Section 2(f) (b) Section 2(e) (c) Section 2(g) (d) Section 2(d)
Which of the following is not an exception to the rule, "No consideration, No contract": (a) Natural love and affection (b) Compensation for involuntary services (c) Completed gift (d) Agency
Consideration must move at the desire of: (a) The promisor (b) The promisee (c) The promisor or any other party (d) Both the promisor and the promisee
An offer which is open for acceptance over a period of time is: (a) Cross Offer (b) Counter Offer (c) Standing Offer (d) Implied Offer
Specific offer can be communicated to__________ (a) All the parties of contract (b) General public in universe (c) Specific person (d) None of the above
_________ amounts to rejection of the original offer. (a) Cross offer (b) Special offer (c) Standing offer (d) Counter offer
A advertises to sell his old car by advertising in a newspaper. This offer is caleed: (a) General Offer (b) Special Offer (c) Continuing Offer (d) None of the above
In case a counter offer is made, the original offer stands: (a) Rejected (b) Accepted automatically (c) Accepted subject to certain modifications and variations (d) None of the above
In case of unenforceable contract having some technical defect, parties (a) Can sue upon it (b) Cannot sue upon it (c) Should consider it to be illegal (d) None of the above
If entire specified goods is perished before entering into contract of sale, the contract is (a) Valid (b) Void (c) Voidable (d) Cancelled
______________ contracts are also caled contracts with executed consideration. (a) Unilateral (b) Completed (c) Bilateral (d) Executory
A offers B to supply books @ Rs 100 each but B accepts the same with condition of 10% discount. This is a case of (a) Counter Offer (b) Cross Offer (c) Specific Offer (d) General Offer
_____________ is a game of chance. (a) Conditional Contract (b) Contingent Contract (c) Wagering Contract (d) Quasi Contract
There is no binding contract in case of _______ as one's offer cannot be constructed as acceptance (a) Cross Offer (b) Standing Offer (c) Counter Offer (d) Special Offer
An offer is made with an intention to have negotiation from other party. This type of offer is: (a) Invitation to offer (b) Valid offer (c) Voidable (d) None of the above
When an offer is made to the world at large, it is ____________ offer. (a) Counter (b) Special (c) General (d) None of the above
Implied contract even if not in writing or express words is perfectly _______________ if all the conditions are satisfied:- (a) Void (b) Voidable (c) Valid (d) Illegal
A specific offer can be accepted by ___________. (a) Any person (b) Any friend to offeror (c) The person to whom it is made (d) Any friend of offeree
An agreement toput a fire on a person's car is a ______: (a) Legal (b) Voidable (c) Valid (d) Illegal