LINUX+ AND LPIC-1 GDE.TO LINUX CERTIF.
5th Edition
ISBN: 9781337569798
Author: ECKERT
Publisher: CENGAGE L
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In this lesson, you will learn about the connection between processes and threads, as well as how a process is created in Windows by utilising the proper visuals.
Which of the following events doesn’t cause a process creation? A)When an operating systems is booted
B)When a running process makes fork system call
C)When the user runs a new program
D)When a running process is blocked +1
E)Batching process in batch system
My name is Fatima
Execute the code using Linux interfacesMake the file name your own, for example (touch seaid.c)Take a picture of the input and output
Program 4:1 Orphan process//orphan process#include <stdio.h>#include<unistd.h>int main ( ){int pid ;printf ("I'am the original process with PID %d and PPID %d.\n", getpid ( ), getppid ( ) ) ;pid = fork ( ) ; /* Duplicate. Child and parent continue from here */if ( pid != 0 ) /* pid is non-zero, so I must be the parent */{printf ("I'am the parent process with PID %d and PPID %d.\n", getpid ( ), getppid ( ) ) ;printf ("My child's PID is %d\n", pid ) ;}else /* pid is zero, so I must be the child */{sleep (4) ; /* make sure that the parent terminates first */printf ("I'am the child process with PID %d and PPID %d.\n", getpid ( ), getppid ( ) ) ;}printf ("PID %d terminates.\n", getpid ( ) ) ;}
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- ps and top are two common command for managing processes. Top can only display processes, but ps can kill and renice them. Is this correct or incorrect?arrow_forwardThere are four resources (A, B, C, D) and fourTasks (Task2, Task3, Task, Task5). A Taskrequests resources as listed below, when getsall of them increments own counter andreleases resources.Task2: A, BTask3: B, CTask4: C, DTask5: A, B, C, DDevelop a Picoos application executing withinendless loop. A monitor task monitors andprints ownership of resources and taskcounters.In your application, show deadlock andstarvation conditions with screen output ifthere are. Fix these problems as a secondversion and explain. You can use my examplesattachedarrow_forwardExplain the difference between processes and threads, and use the right graphics to show how to start a new process in Windows.arrow_forward
- If two threads in a multithreaded program want the same resource at the same time, one of them will have to wait for the other to finish then which of the following can support this? Synchronized block Synchronized class Synchronized variable Process schedulingarrow_forwarda) Create a system call int sys_wolfie(void *buf, uint size), which copies an ASCII art image of Wolfie to a user-supplied buffer, provided that the buffer is large enough. You are welcome to use an ASCII art generator, or draw your own by hand. If the buffer is too small, or not valid, return a negative value. If the call succeeds, return the number of bytes copied. B) Write a user-level application, called wolfietest.c, that gets the Wolfie image from the kernel, and prints it to the console. When the OS runs, your program's binary should be included in fs.img and listed if someone runs ls at the xv6 shell's command prompt. Language in Carrow_forwardWhen Windows first starts and the user signs in, a message about a missing DLL appears. Which tool or method should you use first to solve the problem? Second? a. Use Task Manager to identify the startup process. b. Use the Services console to stop the process that needed the DLL. c. Search the web on the error message to better understand the problem. d. Use Component Services to register the DLL.arrow_forward
- Which of the following commands will most likely increase the chance of a processreceiving more time slices?a. renice 0b. renice 15c. renice -12d. renice 19arrow_forwardWhich of the following statements will pause program execution for one second ? a. System.Threading.Thread.Sleep(1000)b. System.Threading.Thread.Sleep(100)c. System.Threading.Thread.Sleep(10)d. System.Threading.Thread.Sleep(1)arrow_forwardA process's ID is 5988, what does the following command do? ps -o ppid= -p 5988 and ps -o ppid= -p 5988 a) Display the state of this process b) Display the memory usage of this process c) Display the child processes of this process d) Display the parent process of this processarrow_forward
- You must locate a procedure for which you only know a portion of the name.The Issue: You "sort of" know the name of the process you're looking for. Because of the highly inconsistent naming convention of the procedures in the Windows API, this is a frequent problem for Microsoft Windows programmers. No superior are UNIX programmers. Only the inconsistency in naming conversions is constant; the only issue is that UNIX enjoys leaving letters out of system call names. (for example, creat).arrow_forwardWhich term describes a means of separating the operation of an application from the rest of the operating system? Separation of duties Complete mediation Reverse-engineering Sandboxingarrow_forwardTASK 2.2:Open Terminal.Type in the following commands and show outcomes:To identify the available CPU, memory, and disk resources, we can used the following commands:cat /proc/cpuinfo (read the CPU information)cat /proc/meminfo (read the memory (RAM) information)df -h ( find out secondary storage (hard-disk) information)arrow_forward
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