Sitel Linux Interview Questions Answers

What Is Nv-ram?

Nonvolatile Read Write Memory, also called Flash memory. It is also know as shadow RAM.

Can Rom Be Used As Stack?

ROM cannot be used as stack because it is not possible to write to ROM.

What Is Stack?

Stack is a portion of RAM used for saving the content of Program Counter and general purpose registers.

What Is Flag?

Flag is a flip-flop used to store the information about the status of a processor and the status of the instruction executed most recently .

Which Processor Structure Is Pipelined?

All x86 processors have pipelined structure.

What Is A Compiler?

Compiler is used to translate the high-level language program into machine code at a time. It doesn’t require special instruction to store in a memory, it stores automatically. The Execution time is less compared to Interpreter.
Sitel Most Frequently Asked Latest Linux Interview Questions Answers
Sitel Most Frequently Asked Latest Linux Interview Questions Answers

Differentiate Between Ram And Rom?

RAM: Read / Write memory, High Speed, Volatile Memory. ROM: Read only memory, Low Speed, Non Voliate Memory.

What Is A Microprocessor?

Microprocessor is a program-controlled device, which fetches the instructions from memory, decodes and executes the instructions. Most Micro Processor is single- chip devices.

What Command Would You Use To Create An Empty File Without Opening It To Edit It?

You use the touch command to create an empty file without needing to open it. s a and e point to invalid commands, though either of these might actually be aliased to point to a real command. s b and c utilize editors, and so do not satisfy the requirements of the . actually touch is used to change the timestamps of a file if its exits, otherwise a new file with current timestamps will be created.

What Do You Type To Stop A Hung Process That Resists The Standard Attempts To Shut It Down?

The kill command by itself tries to allow a process to exit cleanly. You type kill -9 PID, on the other hand, to abruptly stop a process that will not quit by any other means. Also, pressing CtrI+C works for many programs. 
s b and d are only valid in some contexts, and even in those contexts will not work on a hung process.

Which Two Commands Can You Use To Delete Directories?

You can use rmdir or rm -rf to delete a directory. a is incorrect, because the rm command without any specific flags will not delete a directory, it will only delete files. s d and e point to a non-existent command.

What Is Difference Between At And Cron?

Cron command is used to schedule the task daily at the same time repeatedly ,“at” command is used to schedule the task only once i.e. to run only one time.

Which Of The Following Tasks Cannot Be Accomplished With The Touch Command?

The touch command is usually used to modify either a file’s access or modification time. It can also be used to create a new file.

You Want To Copy The User's Home Directories To A New Location. Which Of The Following Commands Will Accomplish This?

The -r option tells the cp command to recurs the directories. The -P option retains the original permissions.

You Read An Article That Lists The Following Command: Dd If=/dev/fdo Bs=512 Of=/new What Does This Accomplish?

The dd command is a special copy command often used for floppy disks and tapes. The if= option specifies the source; the bs= is the block size; and the of= option is the output.

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