CoolInterview.com - World's Largest Collection of Interview Questions & Answers, FAQs, queries, sample papers, exam papers, dumps, what, why, how, where, when questions
Our Services
Get 9,000 Interview Questions & Answers in an eBook.




Get it now !!
Send your Resume to 6000 Companies

Search Interview Questions

Question: You are debugging a new application that is crashing. You want to watch the messages as they are being written to the log. What command should you use?
Choose one:

a. tail
b. head
c. less
d. log

Answer: Answer: a

The tail command allows you to keep a log open and see each new message as it is written to the log.



Category Linux Interview Questions & Answers - Exam Mode / Learning Mode
Rating (0.3) By 7013 users
Added on 12/11/2009
Views 55599
Rate it!
Question: You are debugging a new application that is crashing. You want to watch the messages as they are being written to the log. What command should you use?
Choose one:

a. tail
b. head
c. less
d. log

Answer:

Answer: a

The tail command allows you to keep a log open and see each new message as it is written to the log. Source: CoolInterview.com



If you have the better answer, then send it to us. We will display your answer after the approval

Rules to Post Answers in CoolInterview.com:-

  • There should not be any Spelling Mistakes.
  • There should not be any Gramatical Errors.
  • Answers must not contain any bad words.
  • Answers should not be the repeat of same answer, already approved.
  • Answer should be complete in itself.

Post your answer here

Inform me about updated answers to this question.
Related Questions
View Answer
Which of the following commands will display a file one screen at a time?
Choose one:

a. less
b. page
c. tr
d. cat
View Answer
Which of the following cannot be accomplished with the cat command?
Choose one:

a. Create a new file
b. Display the contents of a file
c. Append information to another file
d. Change the contents of a file
View Answer
Which of the following commands will combine the contents of the files tom and betty into a new file called friends?
Choose one:

a. ls tom betty > friends
b. cat tom betty > friends
c. more tom betty >> friends
d. cat tom; cat betty > friends
View Answer
You have three files in the /home/ben/memos directory called letters, tom, betty. How could you determine each file's type by issuing only one command?
View Answer
What command should you type to see all the files with an extension of 'mem' listed in reverse alphabetical order in the /home/ben/memos directory.
View Answer
Which of the following commands will show a list of the files in your home directory including hidden files and the contents of all subdirectories?
Choose one:

a. ls -c home
b. ls -aR /home/username
c. ls -aF /home/username
d. ls -l /home/username
View Answer
Which of the following commands will make your home directory your working directory.
Choose one:

a. cd
b. cd home
c. cd ..
d. cd home/username
View Answer
Which of the following would improve your ability to provide user support?
Choose one:

a. Create a directory containing instructions for using all installed applications.
b. Email your user's your office hours.
c. Whenever a user has a problem, fix it and leave.
d. Use as much technical language as possible when explaining what went wrong.
View Answer
Which of the following items would not be important for you to record in your system documentation.
Choose one:

a. Any kernel patches you might apply.
b. Applications that are installed.
c. When did each user log on last.
d. What problems with the system you have had.
View Answer
What does the apropos command do?
Choose one:

a. It is the same as the man -f command.
b. It is the same as the man -K command.
c. It searches the short descriptions from the man pages.
d. It uses the locatedb database to answer your query.
View Answer
What command must you run to update the database used by the whatis command?
Choose one:

a. makewhatis
b. updatedb
c. make whatisdb
d. The database is updated automatically.
View Answer
You locate a command in the /bin directory but do not know what it does. What command can you use to determine its purpose.
View Answer
You suspect that you have two commands with the same name as the command is not producing the expected results. What command can you use to determine the location of the command being run?
View Answer
The whereis command is helpful in finding the location of a command as well as its related man page. What is the disadvantage of using it?
Choose one:

a. Since it searches the entire directory tree, the whereis command can take an excessive amount of time.
b. The whereis command will not find source files located on your system.
c. You have to update the whereis database in order to keep it current.
d. The whereis command only searches known directories that are hard coded into the command.
View Answer
You have a problem installing an older CD-ROM drive on one of your Linux servers. You have checked the HOWTOs and FAQs but have not found your answer. Where could you go to search the newsgroups to look for
a solution?
Choose one:

a. http://www.deja.com
b. http://www.news.com
c. http://www.linux-help.com
d. http://www.lug.com
View Answer
You need to update your HOWTOs. Where should you go to acquire the latest versions?
Choose one:

a. Linux Mall and order a new CD.
b. Your local Linux Users Group should have a copy.
c. The web site for your distribution.
d. Linux Documentation Project
View Answer
When you install a new application, documentation on that application is also usually installed. Where would you look for the documentation after installing an application called MyApp?
Choose one:

a. /usr/MyApp
b. /lib/doc/MyApp
c. /usr/doc/MyApp
d. In the same directory where the application is installed.
View Answer
What does FAQ stand for?
View Answer
There is considerable documentation covering various tasks provided as HOWTOs. These documents are normally installed in which directory.
Choose one:

a. /etc/HOWTO
b. /usr/doc/HOWTO
c. /usr/HOWTO
d. /usr/lib/HOWTO
View Answer
You know that the info utility provides easier to understand documentation but you have never used it. How can you access a tutorial on using info?
Choose one:

a. man info
b. info
c. info info
d. info help
View Answer

Please Note: We keep on updating better answers to this site. In case you are looking for Jobs, Pls Click Here Vyoms.com - Best Freshers & Experienced Jobs Website.

View All Linux Interview Questions & Answers - Exam Mode / Learning Mode




India News Network
Latest 20 Questions
Payment of time- barred debt is: (a) Valid (b) Void (c) Illegal (d) Voidable
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
Cache = 0.0625 Seconds