What file controls the default runlevel using Systemd?
a. /etc/inittab
b. /etc/systemd/system/default.target
c. /etc/systemd/inittab.target
d. /etc/systemd.comf

Answers

Answer 1

The correct answer is b. /etc/systemd/system/default.target.

In Systemd, the default runlevel is controlled by the file "/etc/systemd/system/default.target." Systemd is a modern init system used in many Linux distributions to manage the boot process, services, and system initialization.

The default.target file is a symbolic link that points to the target unit file representing the default runlevel or system state. It defines the set of services and units that should be started during system boot. By changing the symbolic link target, you can switch between different runlevels or system states.

Option a, "/etc/inittab," refers to the configuration file used by the traditional SysV init system, which is not used by Systemd.

Option c, "/etc/systemd/inittab.target," is an invalid path and does not exist in Systemd.

Option d, "/etc/systemd.comf," is also an invalid path. The correct file is "/etc/systemd/system/default.target" for controlling the default runlevel using Systemd.

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Related Questions

Storing a string byte using string primitives increments/decrements which register? a)EDI b)EDX c)ESI d)ES

Answers

When storing a string byte using string primitives, the "EDI" register is typically incremented or decremented to track the memory location. Thus, the answer is option a) EDI.

When storing a string byte using string primitives, the register that is typically incremented or decremented is the "EDI" register (option a).

The EDI (Extended Destination Index) register is one of the general-purpose registers in the x86 architecture. It is commonly used as an index register in string operations, such as moving or copying strings in memory. When storing a string byte, the EDI register is often incremented or decremented to keep track of the memory location where the next byte should be stored.

Therefore, option a) EDI is the correct answer.

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Create a class of name arithematic logic operator. Over load the operator

Answers

An example of  an ArithmeticLogicOperator class that overloads the +, -, *, and / operators is

class ArithmeticLogicOperator:

   def __init__(self, value):

       self.value = value

   def __add__(self, other):

       return self.value + other.value

   def __sub__(self, other):

       return self.value - other.value

   def __mul__(self, other):

       return self.value * other.value

   def __truediv__(self, other):

       return self.value / other.value

How does this work?

You can create instances of the ArithmeticLogicOperator class and perform arithmetic operations using the overloaded operators.

he ArithmeticLogicOperator class takes a value as input during initialization.

The overloaded operators allow you to perform arithmetic operations between instances of the class, returning the desired result.

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