Update powershell.md

assets/powershell.md

@@ -1,30 +1,136 @@
-# Get-Help
+# Working with Files and Folders
 
-# Get-Children
+## Get-Help
+
+## Get-Children
 
 Gets items in a specified location. To list the folders in my drive C, I will run
 the command below:
 
-`Get-ChildItem c:/`
+```
+Get-ChildItem c:\
+```
 
-This will list all the top-level folders. To list all files, folders include subfolders use the -Recurse parameter.
+This will list all the top-level folders. To list all files, folders include sub-folders use the `-Recurse` parameter.
 
-# Copy-Item and Move-Item
+## Copy-Item and Move-Item
 
-You could use the Get-ChildItem Cmdlet to list items in a folder, then pipe
-the result to Copy-Item Cmdlet to copy the items to a new location. The
+You could use the __Get-ChildItem__ Cmdlet to list items in a folder, then pipe
+the result to __Copy-Item__ Cmdlet to copy the items to a new location. The
 command below will do the job:
 
-`Get-ChildItem C:\Dropbox | Copy-Item -Destination C:\NewFolder`
+```
+Get-ChildItem C:\Dropbox | Copy-Item -Destination C:\NewFolder
+```
 
 The above PowerShell command will only copy the top-level folders and
 files - it will NOT copy sub-folders and files. To copy all files and folders
-including sub-folders, include the -Recurse parameter in the Get-ChildItem
+including sub-folders, include the -Recurse parameter in the __Get-ChildItem__
 command as shown below:
 
-`Get-ChildItem C:\Dropbox -Recurse | Copy-Item -Destination C:\NewFolder`
+```
+Get-ChildItem C:\Dropbox -Recurse | Copy-Item -Destination C:\NewFolder
+```
+
+While the __Copy-Item__ Cmdlet copies items from one location to another the
+__Move-Item__ Cmdlet moves the item.
+
+## RemoveItem
+
+## NewItem
+
+__New-Item__ can be used to create files, folders and registry keys and entries. The command below creates a text
+file called weekly_file.txt in c:\logfiles folder:
+```
+New-Item -Path c:\logfiles -Name weekly_file.tx
+```
+
+## RenameItem
+
+__Rename-Item__ Cmdlet is used to rename things in Windows. This Cmdlet can
+rename files, folders and registry keys. This command will rename
+weekly_file.txt to monthly_file.txt
+
+```
+Rename-Item -Path C:\logfiles\weekly_file.txt -NewName monthly_file.txt
+```
+
+## Export-Csv
+
+__Export-Csv__ converts a set of string into CSV and saves in a file. This Cmdlet
+is very important in reporting.
+
+```
+Get-Command -Verb Export
+```
+
+```
+Get-Command -Verb Export | Select-Object CommandType, Name, Version, Source | Export-Csv -
+NoTypeInformation -Path C:\NewFolder\ExportCommands.CSV
+```
+
+# Managing Processes
+
+## Get-Process
+
+This PowerShell Cmdlet lists all the processes running on a local computer. If
+you use the ComputerName parameter, you can display the processes on a
+remote computer.
+
+### Start-Process and Stop-Process
+
+The __Start-Process__ Cmdlet can start a stopped process while the __Stop-Process__ Cmdlet
+can stop a running process.
+To start a process, pipe the output of __Get-Process__ command to the __Start-Process__ command.
+As an example, to stop a process with ID 10500, use the command below.
+
+```
+Get-Process -Id 10500 | Stop-Process
+```
+
+# Getting Computer Information
+
+## Get-WmiObject
+
+__Get-WmiObject__ has a parameter called -Class this allows you to specify the WMI object you wish to access. The command below will get a list of WMI
+classes, Get-WmiObject -List -Class Win32*
+
+
+Once you know the name of the WMI class, you can execute __Get-WmiObject__ to return useful information from a local or remote computer. Below is a list
+of the most important WMI classes you may need:
+- Win32_PhysicalMemory - information about available memory
+- Win32_Processor - Processor information
+- Win32_LogicalDisk - Logical disk drive information
+- Win32_DiskDrive - Physical disk information
+- Win32_OperatingSystem - Information about the operating system
+
+To get information about the operating system, run the command below:
+
+```
+Get-WmiObject -Class Win32_OperatingSystem
+```
+
+## SYSTEMINFO
+
+__SYSTEMINFO__ displays operating system configuration information for a local or remote computer.
+
+```
+SYSTEMINFO /FO LIST
+```
+
+## DRIVEQUERY
+
+__ DRIVERQUERY__ displayS a list of installed device drivers on a local or remote computer.
+
+```
+DRIVEQUERY /FO TABLE
+```
+
+
+
+
+
+
 
-While the Copy-Item Cmdlet copies items from one location to another the
-Move-Item Cmdlet moves the item.