# PowerShell script for monitoring system performance # Define the performance counters for CPU and memory usage $cpu = "\Processor(_Total)\% Processor Time" $memory = "\Memory\Available MBytes"
# Get the performance counter data for CPU and memory usage $data = Get-Counter-Counter$cpu,$memory-SampleInterval1-MaxSamples10
# Create a chart object from the performance counter data $chart = New-Object System.Windows.Forms.DataVisualization.Charting.Chart $chart.Width = 800 $chart.Height = 600 $chart.BackColor = "White"
# Add a chart area, a series for CPU usage, a series for memory usage, and a legend to the chart object $area = New-Object System.Windows.Forms.DataVisualization.Charting.ChartArea $area.AxisX.Title = "Time (seconds)" $area.AxisY.Title = "Usage (%)" $area.AxisY2.Title = "Available (MB)" $chart.ChartAreas.Add($area)
# Save the chart object as an image file $chart.SaveImage("C:\Performance.png","png")
使用 PowerShell 备份和恢复文件夹
PowerShell 可以帮助您轻松高效地备份和恢复 Windows 11 系统中的文件夹。您可以使用 PowerShell 执行各种操作,如创建、复制、移动、重命名、删除、搜索和压缩文件夹。您还可以使用 PowerShell 创建和使用备份策略、备份集和备份项。
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# PowerShell script for backing up and restoring files and folders # Define the folder to backup and the backup location $folder = "C:\Users\YourName\Documents" $location = "D:\Backup"
# Create a backup policy that runs daily and keeps backups for 30 days $policy = New-BackupPolicy-Frequency Daily -RetentionPeriod30
# Set the backup policy for the computer Set-BackupPolicy-Policy$policy
# Backup the folder to the backup location Backup-File-Source$folder-Destination$location
Here is a summary of a PowerShell script that restores a file or folder from a backup to a specified location:
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# Define the file or folder to restore and the restore location $file = "C:\Users\YourName\Documents\Report.docx" $location = "C:\Users\YourName\Desktop"
# Get the latest backup set that contains the file or folder $set = Get-BackupSet | Sort-Object-Property CreationTime -Descending | Select-Object-First1
# Get the backup item that matches the file or folder $item = Get-BackupItem-BackupSet$set-Path$file
# Restore the file or folder to the restore location Restore-File-BackupItem$item-Destination$location
使用 PowerShell 安装和更新 Windows 功能
PowerShell 可以帮助您轻松高效地在 Windows 11 系统上安装和更新 Windows 功能。您可以使用 PowerShell 执行各种操作,如列出、启用、禁用或更新诸如 Hyper-V、Windows 子系统 for Linux 或 Windows 沙盒等 Windows 功能。