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May 28, 2020
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Fix markdown ordered lists #12657

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a8a0c6f
Fix ordered lists
xtqqczze May 14, 2020
ac6eb8a
Update docs/learning-powershell/debugging-from-commandline.md
xtqqczze May 27, 2020
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4 changes: 2 additions & 2 deletions docs/learning-powershell/debugging-from-commandline.md
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@ $result =[int](ConvertFahrenheitToCelsius($fahrenheit))
Write-Host "$result Celsius"
```

1. **Setting a Breakpoint on a Line**
## Setting a Breakpoint on a Line

- Open a [PowerShell editor](README.md#powershell-editor)
- Save the above code snippet to a file. For example, "test.ps1"
Expand Down Expand Up @@ -103,7 +103,7 @@ PS /home/jen/debug>

```

1. **Setting a Breakpoint on a Variable**
## Setting a Breakpoint on a Variable
- Clear existing breakpoints if there are any

```powershell
Expand Down
262 changes: 131 additions & 131 deletions docs/learning-powershell/powershell-beginners-guide.md
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Original file line number Diff line number Diff line change
Expand Up @@ -26,205 +26,205 @@ It is shown as `PS C:\>` on Windows.

1. `Get-Process`: Gets the processes that are running on the local computer or a remote computer.

By default, you will get data back similar to the following:
By default, you will get data back similar to the following:

```powershell
PS /> Get-Process
```powershell
PS /> Get-Process

Handles NPM(K) PM(K) WS(K) CPU(s) Id ProcessName
------- ------ ----- ----- ------ -- -----------
- - - 1 0.012 12 bash
- - - 21 20.220 449 powershell
- - - 11 61.630 8620 code
- - - 74 403.150 1209 firefox
Handles NPM(K) PM(K) WS(K) CPU(s) Id ProcessName
------- ------ ----- ----- ------ -- -----------
- - - 1 0.012 12 bash
- - - 21 20.220 449 powershell
- - - 11 61.630 8620 code
- - - 74 403.150 1209 firefox

…
```
…
```

Only interested in the instance of Firefox process that is running on your computer?
Only interested in the instance of Firefox process that is running on your computer?

Try this:
Try this:

```powershell
PS /> Get-Process -Name firefox
```powershell
PS /> Get-Process -Name firefox

Handles NPM(K) PM(K) WS(K) CPU(s) Id ProcessName
------- ------ ----- ----- ------ -- -----------
- - - 74 403.150 1209 firefox
Handles NPM(K) PM(K) WS(K) CPU(s) Id ProcessName
------- ------ ----- ----- ------ -- -----------
- - - 74 403.150 1209 firefox

```
```

Want to get back more than one process?
Then just specify process names and separate them with commas.
Want to get back more than one process?
Then just specify process names and separate them with commas.

```powershell
PS /> Get-Process -Name firefox, powershell
Handles NPM(K) PM(K) WS(K) CPU(s) Id ProcessName
------- ------ ----- ----- ------ -- -----------
- - - 74 403.150 1209 firefox
- - - 21 20.220 449 powershell
```powershell
PS /> Get-Process -Name firefox, powershell
Handles NPM(K) PM(K) WS(K) CPU(s) Id ProcessName
------- ------ ----- ----- ------ -- -----------
- - - 74 403.150 1209 firefox
- - - 21 20.220 449 powershell

```
```

1. `Clear-Host`: Clears the display in the host program.

```powershell
PS /> Get-Process
PS /> Clear-Host
```
```powershell
PS /> Get-Process
PS /> Clear-Host
```

Type too much just for clearing the screen?
Type too much just for clearing the screen?

Here is how the alias can help.
Here is how the alias can help.

1. `Get-Alias`: Gets the aliases for the current session.

```powershell
Get-Alias

CommandType Name
----------- ----
…

Alias cd -> Set-Location
Alias cls -> Clear-Host
Alias clear -> Clear-Host
Alias copy -> Copy-Item
Alias dir -> Get-ChildItem
Alias gc -> Get-Content
Alias gmo -> Get-Module
Alias ri -> Remove-Item
Alias type -> Get-Content
…
```
```powershell
Get-Alias

As you can see `cls` or `clear` is an alias of `Clear-Host`.
CommandType Name
----------- ----
…

Now try it:
Alias cd -> Set-Location
Alias cls -> Clear-Host
Alias clear -> Clear-Host
Alias copy -> Copy-Item
Alias dir -> Get-ChildItem
Alias gc -> Get-Content
Alias gmo -> Get-Module
Alias ri -> Remove-Item
Alias type -> Get-Content
…
```

```powershell
PS /> Get-Process
PS /> cls
```
As you can see `cls` or `clear` is an alias of `Clear-Host`.

Now try it:

```powershell
PS /> Get-Process
PS /> cls
```

1. `cd -> Set-Location`: Sets the current working location to a specified location.

```powershell
PS /> Set-Location /home
PS /home>
```
```powershell
PS /> Set-Location /home
PS /home>
```

1. `dir -> Get-ChildItem`: Gets the items and child items in one or more specified locations.

```powershell
# Get all files under the current directory:
PS /> Get-ChildItem
```powershell
# Get all files under the current directory:
PS /> Get-ChildItem

# Get all files under the current directory as well as its subdirectories:
PS /> cd $home
PS /home/jen> dir -Recurse
# Get all files under the current directory as well as its subdirectories:
PS /> cd $home
PS /home/jen> dir -Recurse

# List all files with "txt" file extension.
PS /> cd $home
PS /home/jen> dir –Path *.txt -Recurse
```
# List all files with "txt" file extension.
PS /> cd $home
PS /home/jen> dir –Path *.txt -Recurse
```

*6. `New-Item`: Creates a new item.
1. `New-Item`: Creates a new item.

```powershell
# An empty file is created if you type the following:
PS /home/jen> New-Item -Path ./test.txt
```powershell
# An empty file is created if you type the following:
PS /home/jen> New-Item -Path ./test.txt


Directory: /home/jen
Directory: /home/jen


Mode LastWriteTime Length Name
---- ------------- ------ ----
-a---- 7/7/2016 7:17 PM 0 test.txt
```
Mode LastWriteTime Length Name
---- ------------- ------ ----
-a---- 7/7/2016 7:17 PM 0 test.txt
```

You can use the `-Value` parameter to add some data to your file.
You can use the `-Value` parameter to add some data to your file.

For example, the following command adds the phrase `Hello world!` as a file content to the `test.txt`.
For example, the following command adds the phrase `Hello world!` as a file content to the `test.txt`.

Because the test.txt file exists already, we use `-Force` parameter to replace the existing content.
Because the test.txt file exists already, we use `-Force` parameter to replace the existing content.

```powershell
PS /home/jen> New-Item -Path ./test.txt -Value "Hello world!" -Force
```powershell
PS /home/jen> New-Item -Path ./test.txt -Value "Hello world!" -Force

Directory: /home/jen
Directory: /home/jen


Mode LastWriteTime Length Name
---- ------------- ------ ----
-a---- 7/7/2016 7:19 PM 24 test.txt
Mode LastWriteTime Length Name
---- ------------- ------ ----
-a---- 7/7/2016 7:19 PM 24 test.txt

```
```

There are other ways to add some data to a file.
There are other ways to add some data to a file.

For example, you can use `Set-Content` to set the file contents:
For example, you can use `Set-Content` to set the file contents:

```powershell
PS /home/jen>Set-Content -Path ./test.txt -Value "Hello world again!"
```
```powershell
PS /home/jen>Set-Content -Path ./test.txt -Value "Hello world again!"
```

Or simply use `>` as below:
Or simply use `>` as below:

```powershell
# create an empty file
"" > test.txt
```powershell
# create an empty file
"" > test.txt

# set "Hello world!" as content of test.txt file
"Hello world!!!" > test.txt
# set "Hello world!" as content of test.txt file
"Hello world!!!" > test.txt

```
```

The pound sign `#` above is used for comments in PowerShell.
The pound sign `#` above is used for comments in PowerShell.

1. `type -> Get-Content`: Gets the content of the item at the specified location.

```powershell
PS /home/jen> Get-Content -Path ./test.txt
PS /home/jen> type -Path ./test.txt
```powershell
PS /home/jen> Get-Content -Path ./test.txt
PS /home/jen> type -Path ./test.txt

Hello world again!
```
Hello world again!
```

1. `del -> Remove-Item`: Deletes the specified items.

This cmdlet will delete the file `/home/jen/test.txt`:
This cmdlet will delete the file `/home/jen/test.txt`:

```powershell
PS /home/jen> Remove-Item ./test.txt
```
```powershell
PS /home/jen> Remove-Item ./test.txt
```

1. `$PSVersionTable`: Displays the version of PowerShell you are currently using.

Type `$PSVersionTable` in your PowerShell session, you will see something like below.
"PSVersion" indicates the PowerShell version that you are using.
Type `$PSVersionTable` in your PowerShell session, you will see something like below.
"PSVersion" indicates the PowerShell version that you are using.

```powershell
Name Value
---- -----
PSVersion 6.0.0-alpha
PSEdition Core
PSCompatibleVersions {1.0, 2.0, 3.0, 4.0...}
BuildVersion 3.0.0.0
GitCommitId v6.0.0-alpha.12
CLRVersion
WSManStackVersion 3.0
PSRemotingProtocolVersion 2.3
SerializationVersion 1.1.0.1
```powershell
Name Value
---- -----
PSVersion 6.0.0-alpha
PSEdition Core
PSCompatibleVersions {1.0, 2.0, 3.0, 4.0...}
BuildVersion 3.0.0.0
GitCommitId v6.0.0-alpha.12
CLRVersion
WSManStackVersion 3.0
PSRemotingProtocolVersion 2.3
SerializationVersion 1.1.0.1

```
```

1. `Exit`: To exit the PowerShell session, type `exit`.

```powershell
exit
```
```powershell
exit
```

## Need Help?

Expand Down