. What is the use of the ValueFromPipelineByPropertyName=$true in the below advanced-function? Function Test-PipedValueByPropertyName { Param ( [Parameter(ValueFromPipelineByPropertyName=$true)] $processname, [Parameter(
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Book reference: Windows PowerShell Step by Step 3rd Edition - Ed Wilson
Subj: PWS0 - PowerShell
Chapter 7
8. What is the use of the ValueFromPipelineByPropertyName=$true in the below advanced-function?
Function Test-PipedValueByPropertyName
{
Param
(
[Parameter(ValueFromPipelineByPropertyName=$true)] $processname,
[Parameter(ValueFromPipelineByPropertyName=$true)] $id
)
Process {Write-Host $processname $id}
}
9. What is the Param switch to enable an array of parameters?
Step by step
Solved in 2 steps with 1 images
- Book reference: Windows PowerShell Step by Step 3rd Edition - Ed WilsonSubj: PWS0 - PowerShell Chapter 1 Q2. What do the below PS cmdlets and parameters do? a) Get-process <process id> b) -confirm c) -whatif d) Powershell -version 3 e) Get-Help Get-Process f) Get-Help Get-Help –full g) Get-Help get-p* h) Get-Date -Format hh:mm i) New-Alias Q3. a) What’s the command to get the below output? b) What’s the process name and ID in the below output? c) What’s the difference between suspending and ending a process? Q4. What’s the command to set an alias for Get-Help to “g + h” Q5. What is the command to list the Get-Process examples from the PS help file?Modify this code to let it run concurrently to send and receive any messages between 2 processes and take one command line argument to change between 2 processes, for example, 1 or 2 to indicate the process 1 or process 2. #include <unistd.h>#include <stdlib.h>#include <stdio.h> #include <string.h>#include <fcntl.h>#include <sys/types.h>#include <sys/stat.h>#define FIFO_NAME “/tmp/my_ fo”int main(int argc, char *argv[]){int res, open_mode = 0; if (argc < 2){fprintf(stderr, “Usage: %s <[O_RDONLY, O_WRONLY, O_RDWR, O_NONBLOCK]>\n”, *argv); exit(EXIT_FAILURE);}argv++;if (*argv){if (strncmp(*argv, “O_RDONLY”, 8) == 0)open_mode |= O_RDONLY;if (strncmp(*argv, “O_WRONLY”, 8) == 0)open_mode |= O_WRONLY; if (strncmp(*argv, “O_RDWR”, 6) == 0) open_mode |= O_RDWR;if (strncmp(*argv, “O_NONBLOCK”, 10) == 0)open_mode |= O_NONBLOCK;} if (access(FIFO_NAME, F_OK) == -1{res = mk fo(FIFO_NAME, 0777);if (res){fprintf(stderr, “Could not create fo%s\n”,…You are required to write a C program on Unix/Linux in which the parent process creates three child processes, lets them run concurrently, and waits for them to return and prints their exit status. The three child processes are assigned different tasks. Child one is to calculate and display the average mark of a class of twenty students for a unit. Child one is required to get the marks from the standard input (i.e. the keyboard). Child two is to load a program called “wc” (word count) to count file1. Child two is required to get file1 by the command line argument. Child three is to modify file2 by first inserting “this is the updated version.” at the beginning of this file and then replacing all the occurrences of the word “run” by “execute” and “examine” by “study”. You are required to write your OWN program for the file update. Child three is required to get file2 by the command line argument.
- Linux System ProgrammingCode a C++ program, named processes.cpp that receives one argument, (i.e., argv[1]) upon itsinvocation and searches how many processes whose name is given in argv[1] are running onthe system where your program has been invoked. To be specific, your program shoulddemonstrate the same behavior as:$ ps -A | grep argv[1] | wc -lImplement processes using the following system calls:1. pid_t fork( void ); creates a child process that differs from the parent process only interms of their process IDs.2. int execlp( const char *file, const char *arg, ..., (char *)0 ); replaces the currentprocess image with a new process image that will be loaded from file. The firstargument arg must be the same as file. The last argument is a NULL pointer of type“char *”.3. int pipe( int filedes[2] ); creates a pair of file descriptors (which point to a pipestructure), and places them in the array pointed to by filedes. filedes[0] is for readingdata from the pipe, filedes[1] is for…1) Create a daemon in C in the Unix environment, your daemon must create a text file called aitDaemonLog.txt and populate it with 1000 lines of a string each line must be written after 10 seconds, the string must end with the count of the string;. 2)Create a shell script that lists all the files in the present working directory in long format name this file listMyFiles.sh. Write a c program that uses the system() function and uses it to run listMyFiles.sh 3)Write a c program to write a string of your own choosing into shared memory then read the contents of the shared memory created in 4)demonstrate in a c program how to use a fork to create a child process, using pipes let this child process send a message which is read by the parent process 5) Write a c program that shows the PID, PPID, UID and GID of a running process, let this process fork thus creating a child process, let the parent process count from 0 to 50 and the child process from 0 to 25 each process showing while counting…Please solve and show work. Thank you. Assume val is an atomic integer in a Linux system. What is the value of val after the following operations have been completed? atomic set(&val,10); atomic sub(8,&val); atomic inc(&val); atomic inc(&val); atomic add(6,&val); atomic sub(3,&val); Show your work (Clearly outline the results of the implementation of each statement)
- Which of the following is a solution to the challenge of deadlock in process-based concurrent programming? Question 4 options: Acquiring locks (binary semaphore) in a specific order Using counting semaphores instead of locks Using condition variables instead of locks All of the abovebasis What is the use of the ValueFromPipelineByPropertyName=$true in the below advancedfunction? Function Test-PipedValueByPropertyName { Param ( [Parameter(ValueFromPipelineByPropertyName=$true)] $processname, [Parameter(ValueFromPipelineByPropertyName=$true)] $id ) Process {Write-Host $processname $id} }The issue: Do you "sort of" know what process you're looking for's name? Because the procedures in the Windows API have incredibly inconsistent names, this is a common issue for coders who work with Microsoft Windows. Not much better are UNIX coders. The only issue is that UNIX prefers to omit letters from system call names, so only the inconsistent naming conversions are constant. (for example, creat).
- Which of the following statements is not true regarding Debugging? 1- Valuable information can be retrieved from API functions. For example, the presence of WS2_32 means that the program might use Windows 32-bit functions. 2- x86dbg is not able to recognize the WinMain function where the real code starts. 3- CFF Explorer can show imported registry items and cryptography APIs.This exercise is will require you to write a C program that is able to run Linux commands from theprogram when executed. The program should be able to perform the following operations:1. Take a Linux command as an input from the user using scanf in C.2. This command should be a valid Linux command3. The program should use execvp(char *command, char *params[]) function to run this Linux commandand produce and output on the console.4. The screenshot below shows the expected output of the program:Instructions:• Write the C program in any editor of your choice. • Use execvp(char *command, char *params[]) function to run the commandsCode a C++ program, named processes.cpp that receives one argument, (i.e., argv[1]) upon itsinvocation and searches how many processes whose name is given in argv[1] are running onthe system where your program has been invoked. To be specific, your program shoulddemonstrate the same behavior as:$ ps -A | grep argv[1] | wc -lImplement processes using the following system calls:1. pid_t fork( void ); creates a child process that differs from the parent process only interms of their process IDs.2. int execlp( const char *file, const char *arg, ..., (char *)0 ); replaces the currentprocess image with a new process image that will be loaded from file. The firstargument arg must be the same as file. The last argument is a NULL pointer of type“char *”.3. int pipe( int filedes[2] ); creates a pair of file descriptors (which point to a pipestructure), and places them in the array pointed to by filedes. filedes[0] is for readingdata from the pipe, filedes[1] is for writing data to the pipe.4.…
