Ques:- How does the kernel differentiate device files and ordinary files?
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Ques:- Which command is used to delete all files in the current directory and all its sub-directories?
Ques:- You need to see the last fifteen lines of the files dog, cat and horse. What command should you use?
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Jindal Aluminium, dpdk,
Ques:- What would be the result of issuing the command cat phonenos?Choose one:a. The file phonenos would be displayed in reverse order with the last line shown first.b. The first word of each line of the file phonenos would be displayed.c. The file phonenos would be displayed in reverse order with the last line shown first and a newline character added at the end of each line.d. The file phonenos would be displayed with each line numbered in reverse order with the last line shown first.
Ques:- You want to create a compressed backup of the users' home directories so you issue the command gzip /home/* backup.gz but it fails. The reason that it failed is that gzip will only compress one _______ at a time.
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Applied Spine Technologies, iopex technologies,
Ques:- What do you mean by unnamed object?
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Horner Engineering India, Rieter India, Great Wall Motor Company, Altair Engineering, one identity,
Ques:- You wish to print the file vacations with 60 lines to a page. Which of the following commands will accomplish this?Choose one:a. pr -l60 vacations | lprb. pr -f vacations | lprc. pr -m vacations | lprd. pr -l vacations | lpr
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Delhi Metro Rail, p.e.c.,
Ques:- Why the entries in the parent process table and child table are same?
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Ques:- After creating a backup of the users' home directories called backup.cpio you are asked to restore a file called memo.ben. What command should you type?
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Cron-J,
Ques:- You want to create a compressed backup of the users' home directories. What utility should you use?
Ques:- What text filter can you use to display a multi-page file and place numbers at the beginning of each line.
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vector informatik gmbh,
Ques:- What is the need of process relative handles?
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Ques:- Describe the actions taken by thread library to context switch between user level threads?
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a.g. coombs,
Ques:- What resources are used when a thread created? How do they differ from those when a process is created?
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Ques:- You locate a command in the /bin directory but do not know what it does. What command can you use to determine its purpose.
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Ques:- What does reboot mean?
Right Answer:
Reboot means to restart a computer or system, which involves shutting it down and then starting it up again.
Reboot means to restart a computer or system, which involves shutting it down and then starting it up again.
Ques:- What scheme does the Kernel in Unix System V follow while choosing a swap device among the multiple swap devices?
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Force Motors, isuzu,
