diff --git a/src/com/webcodepro/applecommander/storage/DosFileEntry.java b/src/com/webcodepro/applecommander/storage/DosFileEntry.java
index 0049a7e..38de396 100644
--- a/src/com/webcodepro/applecommander/storage/DosFileEntry.java
+++ b/src/com/webcodepro/applecommander/storage/DosFileEntry.java
@@ -86,6 +86,13 @@ public class DosFileEntry implements FileEntry {
 		disk.writeSector(track, sector, sectorData);
 	}
 
+	/**
+	 * Return the maximum filename length.
+	 */
+	public int getMaximumFilenameLength() {
+		return 30;
+	}
+
 	/**
 	 * Return the name of this file.
 	 * @see com.webcodepro.applecommander.storage.FileEntry#getFilename()
diff --git a/src/com/webcodepro/applecommander/storage/FileEntry.java b/src/com/webcodepro/applecommander/storage/FileEntry.java
index f263b4d..bc93bce 100644
--- a/src/com/webcodepro/applecommander/storage/FileEntry.java
+++ b/src/com/webcodepro/applecommander/storage/FileEntry.java
@@ -121,4 +121,9 @@ public interface FileEntry {
 	 * disk.
 	 */
 	public FormattedDisk getFormattedDisk();
+	
+	/**
+	 * Return the maximum filename length.
+	 */
+	public int getMaximumFilenameLength();
 }
diff --git a/src/com/webcodepro/applecommander/storage/PascalFileEntry.java b/src/com/webcodepro/applecommander/storage/PascalFileEntry.java
index 619ab4d..1015af4 100644
--- a/src/com/webcodepro/applecommander/storage/PascalFileEntry.java
+++ b/src/com/webcodepro/applecommander/storage/PascalFileEntry.java
@@ -64,6 +64,13 @@ public class PascalFileEntry implements FileEntry {
 	public String getFilename() {
 		return AppleUtil.getPascalString(fileEntry, 6);
 	}
+	
+	/**
+	 * Return the maximum filename length.
+	 */
+	public int getMaximumFilenameLength() {
+		return 15;
+	}
 
 	/**
 	 * Return the filetype of this file.
diff --git a/src/com/webcodepro/applecommander/storage/ProdosFileEntry.java b/src/com/webcodepro/applecommander/storage/ProdosFileEntry.java
index da6a2f7..419318e 100644
--- a/src/com/webcodepro/applecommander/storage/ProdosFileEntry.java
+++ b/src/com/webcodepro/applecommander/storage/ProdosFileEntry.java
@@ -139,6 +139,13 @@ public class ProdosFileEntry extends ProdosCommonEntry implements FileEntry {
 		return fileName;
 	}
 
+	/**
+	 * Return the maximum filename length.
+	 */
+	public int getMaximumFilenameLength() {
+		return 15;
+	}
+
 	/**
 	 * Set the name of this file.
 	 */
diff --git a/src/com/webcodepro/applecommander/storage/RdosFileEntry.java b/src/com/webcodepro/applecommander/storage/RdosFileEntry.java
index 11f09eb..31818f4 100644
--- a/src/com/webcodepro/applecommander/storage/RdosFileEntry.java
+++ b/src/com/webcodepro/applecommander/storage/RdosFileEntry.java
@@ -82,6 +82,13 @@ public class RdosFileEntry implements FileEntry {
 	public String getFilename() {
 		return isDeleted() ? "<NOT IN USE>            " : AppleUtil.getString(fileEntry, 0, 24);
 	}
+
+	/**
+	 * Return the maximum filename length.
+	 */
+	public int getMaximumFilenameLength() {
+		return 24;
+	}
 	
 	/**
 	 * Return the filetype of this file.