1. powershell -ep bypass .\\script.ps1.
2. powershell -WindoStyle .\\script.ps1.
3. powershell -NoProfile .\\script.ps1. are essientially scripts that run when the powershell executable is launched and can interfere with our operations.
4. powershell -Version.
5. powershell -ec - Encodebase64
6. PS: get-help Get-Process -Full.
7. PS: get-help Get-Process -Examples.
8. PS: get-command -Name *Firewall*.
9. PS: Get-WmiObject -class win32_operationgsystem | select -Property *.
10. PS: Get-WmiObject -class win32_operationgsystem | fl *.
11. PS: Get-WmiObject -class win32_operationgsystem | fl * | Export-Csv C:\\host_info.csv.
12. PS: cd HKLM:\\- interact with registry directly.
13. PS: Select-String -Path C:\\users\\user\\documents\\*.txt -Pattern pass*.
14. PS: Get-Content.
15. PS: ls -r C:\\users\\user\\documents\\ -File .txt | % {sls -Path $_ -Pattern * }. % for each , $_ for current value in the pipe. sls for select-string.
16. PS: get-service 's*' | sort-object status -Descending

Powershell Modules.

1. usually named after .psm1 file extension.
2. Can contains components like :
   1. any number of powershell script.
   2. Additional Assemblies, help files, scripts
   3. A module manifest file.
   4. A directory which is used to contain all the above.