diff --git a/File-Formats-toc.html b/File-Formats-toc.html
index 8be491b44..3b9141560 100644
--- a/File-Formats-toc.html
+++ b/File-Formats-toc.html
@@ -1675,6 +1675,7 @@
How to set rounded corner for chart in Excel document
How to find and replace text in hyperlinks
How to fix the ArgumentOutOfRangeException when accessing a large number of rows and columns?
+ How to set Logarithmic axis for chart in Excel document?
diff --git a/File-Formats/PDF/Convert-HTML-To-PDF/troubleshooting.md b/File-Formats/PDF/Convert-HTML-To-PDF/troubleshooting.md
index f03701a6a..89c10b9a1 100644
--- a/File-Formats/PDF/Convert-HTML-To-PDF/troubleshooting.md
+++ b/File-Formats/PDF/Convert-HTML-To-PDF/troubleshooting.md
@@ -690,4 +690,28 @@ You can downloaded a complete working sample from [GitHub](https://github.com/Sy
-
\ No newline at end of file
+
+
+## Zombie process are not closed by default from chrome headless in Linux platform
+
+ The zombie process are not closed by default from chrome headless in Linux. However, We can resolve the zombie process issue by using the below commandline arguments in converter settings.
+
+{% tabs %}
+
+{% highlight %}
+
+ //Set command line arguments to run without the sandbox.
+
+ settings.CommandLineArguments.Add("--no-sandbox");
+
+ settings.CommandLineArguments.Add("--disable-setuid-sandbox");
+
+ settings.CommandLineArguments.Add("--no-zygote");
+
+ settings.CommandLineArguments.Add("--disable-dev-shm-usage");
+
+ settings.CommandLineArguments.Add("--single-process");
+
+{% endhighlight %}
+
+{% endtabs %}
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diff --git a/File-Formats/PDF/Working-with-PDF-Conformance.md b/File-Formats/PDF/Working-with-PDF-Conformance.md
index 031388663..b3f3e2a6e 100644
--- a/File-Formats/PDF/Working-with-PDF-Conformance.md
+++ b/File-Formats/PDF/Working-with-PDF-Conformance.md
@@ -25,7 +25,7 @@ The Essential PDF currently supports the following PDF conformances:
N> 1. To know more details about PDF/A standard refer [https://en.wikipedia.org/wiki/PDF/A#Description](https://en.wikipedia.org/wiki/PDF/A#Description )
N> 2. To know more details about PDF/X standard refer [https://en.wikipedia.org/wiki/PDF/X](https://en.wikipedia.org/wiki/PDF/X)
-N> Essential PDF supports PDF conformances only in Windows Forms, WPF, ASP.NET and ASP.NET MVC platforms.
+N> Essential PDF supports PDF conformances only in Windows Forms, WPF, ASP.NET Core, ASP.NET MVC and Xamarin platforms.
## PDF/A-1b conformance
diff --git a/File-Formats/XlsIO/FAQ.md b/File-Formats/XlsIO/FAQ.md
index b7f8315c7..87104604d 100644
--- a/File-Formats/XlsIO/FAQ.md
+++ b/File-Formats/XlsIO/FAQ.md
@@ -80,4 +80,5 @@ The frequently asked questions in Essential XlsIO are listed below.
* [How to vary colors by point for line and column chart?](faqs/how-to-vary-colors-by-point-for-line-and-column-chart)
* [How to upload a file to Azure blob and download as stream?](faqs/how-to-upload-a-file-to-azure-blob-and-download-as-stream)
* [How to find and replace text in hyperlinks](faqs/how-to-find-and-replace-text-in-hyperlinks)
-* [How to fix the ArgumentOutOfRangeException when accessing a large number of rows and columns?](faqs/how-to-fix-the-argument-out-of-range-exception-when-accessing-a-large-number-of-rows-and-columns)
\ No newline at end of file
+* [How to fix the ArgumentOutOfRangeException when accessing a large number of rows and columns?](faqs/how-to-fix-the-argument-out-of-range-exception-when-accessing-a-large-number-of-rows-and-columns)
+* [How to set Logarithmic axis for chart in Excel document](faqs/how-to-set-logarithmic-axis-for-chart-in-excel-document)
\ No newline at end of file
diff --git a/File-Formats/XlsIO/faqs/how-to-set-logarithmic-axis-for-chart-in-excel-document.md b/File-Formats/XlsIO/faqs/how-to-set-logarithmic-axis-for-chart-in-excel-document.md
new file mode 100644
index 000000000..480968fba
--- /dev/null
+++ b/File-Formats/XlsIO/faqs/how-to-set-logarithmic-axis-for-chart-in-excel-document.md
@@ -0,0 +1,106 @@
+---
+title: How to set Logarithmic axis for chart in Excel document | Syncfusion
+description: Code example to set Logarithmic axis for chart in Excel document using Syncfusion .NET Excel library (XlsIO).
+platform: file-formats
+control: XlsIO
+documentation: UG
+---
+
+# How to set Logarithmic axis for chart in Excel document?
+
+The following code snippet shows how to set Logarithmic axis for chart in Excel document.
+
+{% tabs %}
+{% highlight c# tabtitle="C# [Cross-platform]" %}
+using (ExcelEngine excelEngine = new ExcelEngine())
+{
+ IApplication application = excelEngine.Excel;
+ application.DefaultVersion = ExcelVersion.Xlsx;
+ FileStream inputStream = new FileStream("InputTemplate.xlsx", FileMode.Open, FileAccess.Read);
+ IWorkbook workbook = application.Workbooks.Open(inputStream, ExcelOpenType.Automatic);
+ IWorksheet sheet = workbook.Worksheets[0];
+
+ //Create a Chart
+ IChartShape chart = sheet.Charts.Add();
+
+ //Set Chart Type
+ chart.ChartType = ExcelChartType.Column_Clustered;
+
+ //Set data range in the worksheet
+ chart.DataRange = sheet.Range["A1:C6"];
+
+ //Set chart value axis
+ IChartValueAxis valueAxis = chart.PrimaryValueAxis;
+
+ //Set IsLogScale and log base
+ valueAxis.IsLogScale = true;
+ valueAxis.LogBase = 10;
+
+ //Saving the workbook
+ FileStream outputStream = new FileStream("Chart.xlsx", FileMode.Create, FileAccess.Write);
+ workbook.SaveAs(outputStream);
+
+ //Dispose streams
+ outputStream.Dispose();
+ inputStream.Dispose();
+}
+{% endhighlight %}
+
+{% highlight c# tabtitle="C# [Windows-specific]" %}
+using (ExcelEngine excelEngine = new ExcelEngine())
+{
+ IApplication application = excelEngine.Excel;
+ application.DefaultVersion = ExcelVersion.Excel2013;
+ IWorkbook workbook = application.Workbooks.Open("InputTemplate.xlsx", ExcelOpenType.Automatic);
+ IWorksheet sheet = workbook.Worksheets[0];
+
+ //Create a Chart
+ IChartShape chart = sheet.Charts.Add();
+
+ //Set Chart Type
+ chart.ChartType = ExcelChartType.Column_Clustered;
+
+ //Set data range in the worksheet
+ chart.DataRange = sheet.Range["A1:C6"];
+
+ //Set chart value axis
+ IChartValueAxis valueAxis = chart.PrimaryValueAxis;
+
+ //Set IsLogScale and log base
+ valueAxis.IsLogScale = true;
+ valueAxis.LogBase = 10;
+
+ //Saving the workbook
+ workbook.SaveAs("Chart.xlsx");
+}
+{% endhighlight %}
+
+{% highlight vb.net tabtitle="VB.NET [Windows-specific]" %}
+Using excelEngine As New ExcelEngine()
+ Dim application As IApplication = excelEngine.Excel
+ application.DefaultVersion = ExcelVersion.Xlsx
+ Dim workbook As IWorkbook = application.Workbooks.Open(InputTemplate.xlsx", ExcelOpenType.Automatic)
+ Dim sheet As IWorksheet = workbook.Worksheets(0)
+
+ ' Create a Chart
+ Dim chart As IChartShape = sheet.Charts.Add()
+
+ ' Set Chart Type
+ chart.ChartType = ExcelChartType.Column_Clustered
+
+ ' Set data range in the worksheet
+ chart.DataRange = sheet.Range("A1:C6")
+
+ ' Set chart value axis
+ Dim valueAxis As IChartValueAxis = chart.PrimaryValueAxis
+
+ ' Set IsLogScale and log base
+ valueAxis.IsLogScale = True
+ valueAxis.LogBase = 10
+
+ ' Saving the workbook
+ workbook.SaveAs(outputStream)
+
+End Using
+{% endhighlight %}
+{% endtabs %}
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