diff --git a/src/libraries/System.Diagnostics.Process/ref/System.Diagnostics.Process.cs b/src/libraries/System.Diagnostics.Process/ref/System.Diagnostics.Process.cs
index 52dfab59a18f05..71e903dc30c3ec 100644
--- a/src/libraries/System.Diagnostics.Process/ref/System.Diagnostics.Process.cs
+++ b/src/libraries/System.Diagnostics.Process/ref/System.Diagnostics.Process.cs
@@ -193,7 +193,7 @@ public void Refresh() { }
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
         [System.Runtime.Versioning.SupportedOSPlatformAttribute("maccatalyst")]
-        public static System.Diagnostics.ProcessExitStatus Run(string fileName, System.Collections.Generic.IList<string>? arguments = null, bool silent = false, System.TimeSpan? timeout = default(System.TimeSpan?)) { throw null; }
+        public static System.Diagnostics.ProcessExitStatus Run(string fileName, System.Collections.Generic.IEnumerable<string>? arguments = null, bool silent = false, System.TimeSpan? timeout = default(System.TimeSpan?)) { throw null; }
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
         [System.Runtime.Versioning.SupportedOSPlatformAttribute("maccatalyst")]
@@ -201,7 +201,7 @@ public void Refresh() { }
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
         [System.Runtime.Versioning.SupportedOSPlatformAttribute("maccatalyst")]
-        public static System.Diagnostics.ProcessTextOutput RunAndCaptureText(string fileName, System.Collections.Generic.IList<string>? arguments = null, System.TimeSpan? timeout = default(System.TimeSpan?)) { throw null; }
+        public static System.Diagnostics.ProcessTextOutput RunAndCaptureText(string fileName, System.Collections.Generic.IEnumerable<string>? arguments = null, System.TimeSpan? timeout = default(System.TimeSpan?)) { throw null; }
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
         [System.Runtime.Versioning.SupportedOSPlatformAttribute("maccatalyst")]
@@ -209,7 +209,7 @@ public void Refresh() { }
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
         [System.Runtime.Versioning.SupportedOSPlatformAttribute("maccatalyst")]
-        public static System.Threading.Tasks.Task<System.Diagnostics.ProcessTextOutput> RunAndCaptureTextAsync(string fileName, System.Collections.Generic.IList<string>? arguments = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
+        public static System.Threading.Tasks.Task<System.Diagnostics.ProcessTextOutput> RunAndCaptureTextAsync(string fileName, System.Collections.Generic.IEnumerable<string>? arguments = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
         [System.Runtime.Versioning.SupportedOSPlatformAttribute("maccatalyst")]
@@ -217,7 +217,7 @@ public void Refresh() { }
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
         [System.Runtime.Versioning.SupportedOSPlatformAttribute("maccatalyst")]
-        public static System.Threading.Tasks.Task<System.Diagnostics.ProcessExitStatus> RunAsync(string fileName, System.Collections.Generic.IList<string>? arguments = null, bool silent = false, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
+        public static System.Threading.Tasks.Task<System.Diagnostics.ProcessExitStatus> RunAsync(string fileName, System.Collections.Generic.IEnumerable<string>? arguments = null, bool silent = false, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken)) { throw null; }
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
         [System.Runtime.Versioning.SupportedOSPlatformAttribute("maccatalyst")] // this needs to come after the ios attribute due to limitations in the platform analyzer
@@ -251,7 +251,7 @@ public void Refresh() { }
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
         [System.Runtime.Versioning.SupportedOSPlatformAttribute("maccatalyst")] // this needs to come after the ios attribute due to limitations in the platform analyzer
-        public static int StartAndForget(string fileName, System.Collections.Generic.IList<string>? arguments = null) { throw null; }
+        public static int StartAndForget(string fileName, System.Collections.Generic.IEnumerable<string>? arguments = null) { throw null; }
         public override string ToString() { throw null; }
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("ios")]
         [System.Runtime.Versioning.UnsupportedOSPlatformAttribute("tvos")]
diff --git a/src/libraries/System.Diagnostics.Process/src/System/Diagnostics/Process.Scenarios.cs b/src/libraries/System.Diagnostics.Process/src/System/Diagnostics/Process.Scenarios.cs
index 25bec66a903087..3952c4a540400a 100644
--- a/src/libraries/System.Diagnostics.Process/src/System/Diagnostics/Process.Scenarios.cs
+++ b/src/libraries/System.Diagnostics.Process/src/System/Diagnostics/Process.Scenarios.cs
@@ -61,7 +61,7 @@ public static int StartAndForget(ProcessStartInfo startInfo)
         /// </summary>
         /// <param name="fileName">The name of the application or document to start.</param>
         /// <param name="arguments">
-        /// The command-line arguments to pass to the process. Pass <see langword="null"/> or an empty list
+        /// The command-line arguments to pass to the process. Pass <see langword="null"/> or an empty sequence
         /// to start the process without additional arguments.
         /// </param>
         /// <returns>The process ID of the started process.</returns>
@@ -80,7 +80,7 @@ public static int StartAndForget(ProcessStartInfo startInfo)
         [UnsupportedOSPlatform("ios")]
         [UnsupportedOSPlatform("tvos")]
         [SupportedOSPlatform("maccatalyst")]
-        public static int StartAndForget(string fileName, IList<string>? arguments = null)
+        public static int StartAndForget(string fileName, IEnumerable<string>? arguments = null)
             => StartAndForget(CreateStartInfo(fileName, arguments));
 
         /// <summary>
@@ -118,7 +118,7 @@ public static ProcessExitStatus Run(ProcessStartInfo startInfo, TimeSpan? timeou
         /// </summary>
         /// <param name="fileName">The name of the application or document to start.</param>
         /// <param name="arguments">
-        /// The command-line arguments to pass to the process. Pass <see langword="null"/> or an empty list
+        /// The command-line arguments to pass to the process. Pass <see langword="null"/> or an empty sequence
         /// to start the process without additional arguments.
         /// </param>
         /// <param name="silent">
@@ -137,7 +137,7 @@ public static ProcessExitStatus Run(ProcessStartInfo startInfo, TimeSpan? timeou
         [UnsupportedOSPlatform("ios")]
         [UnsupportedOSPlatform("tvos")]
         [SupportedOSPlatform("maccatalyst")]
-        public static ProcessExitStatus Run(string fileName, IList<string>? arguments = null, bool silent = false, TimeSpan? timeout = default)
+        public static ProcessExitStatus Run(string fileName, IEnumerable<string>? arguments = null, bool silent = false, TimeSpan? timeout = default)
         {
             ProcessStartInfo startInfo = CreateStartInfo(fileName, arguments);
 
@@ -181,7 +181,7 @@ public static async Task<ProcessExitStatus> RunAsync(ProcessStartInfo startInfo,
         /// </summary>
         /// <param name="fileName">The name of the application or document to start.</param>
         /// <param name="arguments">
-        /// The command-line arguments to pass to the process. Pass <see langword="null"/> or an empty list
+        /// The command-line arguments to pass to the process. Pass <see langword="null"/> or an empty sequence
         /// to start the process without additional arguments.
         /// </param>
         /// <param name="silent">
@@ -199,7 +199,7 @@ public static async Task<ProcessExitStatus> RunAsync(ProcessStartInfo startInfo,
         [UnsupportedOSPlatform("ios")]
         [UnsupportedOSPlatform("tvos")]
         [SupportedOSPlatform("maccatalyst")]
-        public static async Task<ProcessExitStatus> RunAsync(string fileName, IList<string>? arguments = null, bool silent = false, CancellationToken cancellationToken = default)
+        public static async Task<ProcessExitStatus> RunAsync(string fileName, IEnumerable<string>? arguments = null, bool silent = false, CancellationToken cancellationToken = default)
         {
             ProcessStartInfo startInfo = CreateStartInfo(fileName, arguments);
 
@@ -275,7 +275,7 @@ public static ProcessTextOutput RunAndCaptureText(ProcessStartInfo startInfo, Ti
         /// </summary>
         /// <param name="fileName">The name of the application or document to start.</param>
         /// <param name="arguments">
-        /// The command-line arguments to pass to the process. Pass <see langword="null"/> or an empty list
+        /// The command-line arguments to pass to the process. Pass <see langword="null"/> or an empty sequence
         /// to start the process without additional arguments.
         /// </param>
         /// <param name="timeout">
@@ -289,7 +289,7 @@ public static ProcessTextOutput RunAndCaptureText(ProcessStartInfo startInfo, Ti
         [UnsupportedOSPlatform("ios")]
         [UnsupportedOSPlatform("tvos")]
         [SupportedOSPlatform("maccatalyst")]
-        public static ProcessTextOutput RunAndCaptureText(string fileName, IList<string>? arguments = null, TimeSpan? timeout = default)
+        public static ProcessTextOutput RunAndCaptureText(string fileName, IEnumerable<string>? arguments = null, TimeSpan? timeout = default)
             => RunAndCaptureText(CreateStartInfoForCapture(fileName, arguments), timeout);
 
         /// <summary>
@@ -342,7 +342,7 @@ public static async Task<ProcessTextOutput> RunAndCaptureTextAsync(ProcessStartI
         /// </summary>
         /// <param name="fileName">The name of the application or document to start.</param>
         /// <param name="arguments">
-        /// The command-line arguments to pass to the process. Pass <see langword="null"/> or an empty list
+        /// The command-line arguments to pass to the process. Pass <see langword="null"/> or an empty sequence
         /// to start the process without additional arguments.
         /// </param>
         /// <param name="cancellationToken">
@@ -355,26 +355,17 @@ public static async Task<ProcessTextOutput> RunAndCaptureTextAsync(ProcessStartI
         [UnsupportedOSPlatform("ios")]
         [UnsupportedOSPlatform("tvos")]
         [SupportedOSPlatform("maccatalyst")]
-        public static Task<ProcessTextOutput> RunAndCaptureTextAsync(string fileName, IList<string>? arguments = null, CancellationToken cancellationToken = default)
+        public static Task<ProcessTextOutput> RunAndCaptureTextAsync(string fileName, IEnumerable<string>? arguments = null, CancellationToken cancellationToken = default)
             => RunAndCaptureTextAsync(CreateStartInfoForCapture(fileName, arguments), cancellationToken);
 
-        private static ProcessStartInfo CreateStartInfo(string fileName, IList<string>? arguments)
+        private static ProcessStartInfo CreateStartInfo(string fileName, IEnumerable<string>? arguments)
         {
             ArgumentException.ThrowIfNullOrEmpty(fileName);
 
-            ProcessStartInfo startInfo = new(fileName);
-            if (arguments is not null)
-            {
-                foreach (string argument in arguments)
-                {
-                    startInfo.ArgumentList.Add(argument);
-                }
-            }
-
-            return startInfo;
+            return arguments is not null ? new ProcessStartInfo(fileName, arguments) : new ProcessStartInfo(fileName);
         }
 
-        private static ProcessStartInfo CreateStartInfoForCapture(string fileName, IList<string>? arguments)
+        private static ProcessStartInfo CreateStartInfoForCapture(string fileName, IEnumerable<string>? arguments)
         {
             ProcessStartInfo startInfo = CreateStartInfo(fileName, arguments);
             startInfo.RedirectStandardOutput = true;