FlexHEX Editor - Just the Right Tool to Edit Binaries

Introduction

Files and Drives

Inspecting Data

Editing Data

Navigation

Search and Replace

Tools

Complex Data Types

Advanced Features

Byte Order

Default Byte Order

Command Line

General Settings

Look and Feel

Customising Interface

Layout and Colors

User-Defined Icons


 

 

General Settings

The Tools / Settings menu command lets you specify several important program settings and defaults.

       General Settings

Viewer mode

Forces the Read-Only mode for consecutive File / Open commands. This mode is useful if you want to ensure that no file will be inadvertently changed.

Open empty file on startup

Creates a new, empty file if the program starts without arguments.

Allow multiple program instances

If this box is checked, opening a file from a command line or a Windows menu creates a new FlexHEX instance. If this box is cleared, the file will be opened by the existing FlexHEX instance. Please note that this setting does not affect opening a file using the File / Open menu command that command always adds a new file tab.

Create BAK files

If this box is checked, the original file will be saved under the name filename.BAK on the first save. It is highly recommended to keep this option turned on unless you are editing a really huge file that is not practical to back up.

Beep on errors

Play short beep sound if an error occurs.

Default insertion mode

Specifies which insertion mode is set on the program start.

Auto-insert sparse zeros

When you enter or insert data beyond end of file, FlexHEX automatically inserts a block of zeros from the end of the file to the current insertion position. If the size of the zero block is equal or greater than this value, FlexHEX inserts sparse zeros, otherwise real data will be inserted.

Max. allowed file size

Even if FlexHEX supports files up to eight exabytes long, your file system is unlikely to allow files that large. This option makes sure you will not exceed the file system limit while editing.

The following are the file size limits for most widely used PC file systems:

File System

Size Limit

FAT16 2 gigabytes (2,147,483,647 bytes)
FAT32 4 gigabytes (4,294,967,295 bytes)
NTFS 16 terabytes (17,592,185,978,880 bytes)
Max. Supported 8 exabytes (9,223,372,036,854,775,807 bytes)

By default FlexHEX limits the file size to 16 terabytes, that is the NTFS maximum file size.

OLE storage sector size

OLE compound file implementation can be configured to use 512 or 4096 byte sectors. 4096 byte sector files have less limitations, however you may have problems accessing such files with older applications. The MSDN article "Compound File Implementation Limits" discusses the matter in greater details.

External Editor

The path to the external text editor that is to be used for editing FlexHEX-related text files (for instance, structure definition files). As the screenshot shows, the path may include system environment variables enclosed in percent signs.

 

 
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