For ease of use, all commands have been included in an alphabetized list but categorized as follows:

ARexx commands	(A)	Click here or on the appropriate category to display this page grouped by category.
Commodities	(C)
AmigaDOS commands	(D)
Internal commands	(I)
Networking commands	(N)
Preferences editors	(P)
System programs	(S)
Utilities	(U)
Workbench routines	(W)
Obsolete commands	(X)

The following commands have corresponding pages to explain their use, using a similar format and syntax as the AmigaDOS 3.5 User's Guide. If you are not familiar with the syntax, an explanation of the Command Conventions, Format, Template, and Pattern Matching are also provided, as well as details of the AmigaOS environment variables.

Cat	Command	Description
D	AddAudioModes	Add/Remove Audio Modes to/from the system.
D	AddBuffers	Instruct the file system to add cache buffers.
D	AddDataTypes	Builds a list of data types that datatypes.library can understand.
N	AddNetInterface	To initialise network interfaces defined to the system.
N	AddNetRoute	To add network message routing paths.
P	AHI	To set preferences for the Audio Hardware Interface.
I	Alias	To set or display command aliases.
C	AmiDock	To display custom on-screen program menus.
U	AmiGS	To print postscript files to non-postscript printers.
U	AmiPDF	To view PDF files.
P	AmigaInput	To reconfigure input devices, such as keyboard, mouse, joystick, gamepad etc.
D	AppListInfo	To list information about 68K applications.
N	Arp	To manipulate the system ARP Cache.
I	Ask	To obtain user input when executing a script file.
P	Asl	To set the default options for all asl.library requesters.
D	Assign	To control assignment of logical device names to file system directories.
W	ASyncWB	Enables asynchronous copying and deleting to Workbench.
C	AutoPoint	To automatically select any window the pointer is over.
D	Avail	Report the amount of memory available on the system.
X	BenchTrash	To provide a global "Trashcan" icon on the workbench screen.
X	BindDrivers	Bind device drivers to hardware.
S	BIOSUpdater	To update the U-Boot Firmware from an OS4 file.
C	Blanker	To cause the monitor screen to go blank if no input has been received within a specified period of time.
D	Break	To set attention flags in the specified process.
X	Bru	Backup and Restore utility.
X	BuildMapTable	Create a binary mapping table to Unicode for diskfont.library from an ASCII mapping table.
D	CacheStat	To display cache statistics.
U	Calculator	To provide an on-screen calculator.
X	CatComp	To compile locale catalogs.
I	CD	To set, change, or display the current directory.
D	ChangeTaskPri	To change the priority of a currently running program.
D	CharsetConvert	Convert a text file from one charset into another.
S	CLI	To execute a command using the Command Line Interface.
C	ClickToFront	To bring a window to the front of the screen.
D	Clip	Read/write any clipboard unit.
U	Clock	To provide an on-screen clock.
X	CMD	To redirect printer output to a file.
P	Compatibility	To specify applications where the JIT emulation must be disabled.
D	Conclip	Enable cut/copy/paste functionality in console windows and string gadgets.
N	ConfigureNetInterface	To configure active network interface parameters.
C	ContextMenus	Replaces the right mouse-button menus activated from the Workbench screen.
D	Copy	Copy files or directories.
D	Countlines	To count how many lines a file is made of.
D	CPU	To set or clear the CPU caches, check for a particular processor, load the ROM image into memory, or set an illegal memory access handler which will output diagnostic information over the serial port at 9600 baud if a task accesses page zero or memory above the acceptable maximum.
C	CrossDOS	Configures the parameters used by CrossDOS filesystem.
D	Cut	Cut some characters or words from a string.
D	Date	To display or set the system date and/or time.
D	Delete	To delete files or directories.
P	DefIcons	To manage default icons.
N	DeleteNetRoute	To delete network routes from the system.
C	DepthToFront	To bring a window to the front of the screen.
D	Dir	To display a sorted list of the files in a directory.
D	DiskChange	To inform the Amiga that you have changed a disk in a disk drive.
S	DiskCopy	To copy the contents of one disk to another.
D	Dismount	To make a device connected to the system unavailable.
P	DOS	To customise a number of DOS parameters.
D	DumpDebugBuffer	To dump the kernel's Debug output to the standard output.
I	Echo	To display a string.
D	Ed	To edit text files (a screen editor).
D	Edit	To edit text files by processing the source file sequentially (a line editor).
I	Else	To specify an alternative action for an IF statement in a script file.
I	EndCLI	To end a Shell process.
I	EndIf	Terminates an IF block in a script file.
I	EndShell	To end a Shell process.
I	EndSkip	To terminate a SKIP block in a script file.
D	Eval	To evaluate simple expressions.
C	Exchange	To monitor and control the Commodity Exchange programs.
I	Execute	To execute a script with optional argument substitution.
I	FailAt	To instruct a command sequence to fail if a program gives a return code greater than or equal to the given value.
I	Fault	To print the message(s) for the specified error code(s).
D	FDTool	To externally control and examine the current state of the a1floppy device.
D	FileNote	To attach a comment to a file.
D	FileSize	To collect information on the size of files stored on a disk.
S	Find	To find files on your system based on various criteria.
S	FixFonts	To update the .font files of the FONTS: directory.
C	FKey	To assign text to function and shifted function keys.
P	Font	To specify the fonts preferences used by the system.
S	Format	To format a disk for use with the Amiga.
S	FormatCDRW	To format a re-writable CD or DVD for use with the Amiga.
D	FS_Plugin_Cache	To demonstrate the block cache plugin feature of the new file system API.
D	FS_Plugin_Encrypt	To demonstrates the block transform plugin feature of the new file system API.
D	FS_Set_Flush_Strategy	To set the buffer strategy for the new file system API.
N	FTP	To upload/download using File Transfer Protocol.
I	Get	Gets the value of a local variable.
I	GetEnv	Gets the value of a global variable.
N	GetNetStatus	To query whether the network is operational.
U	GraphicDump	To print (or dump) entire screens, including menus and icons, just as they appear on the screen.
S	GrimReaper	To intercept program errors and provide action options.
D	Group	To change the access rights of a file or directory.
P	GUI	To specify the GUI preferences used by the system.
A	HI	Sets the ARexx global halt flag.
I	History	Display, recall or store the command line history.
U	IconEdit	To create or modify icon images.
D	Iconx	To enable execution of a script file from an icon.
N	Identd	To identify active TCP connections.
D	IDETool	To temporarily configure your IDE devices.
I	If	Evaluates conditional operations in a script file.
D	Info	Give information about the file system(s).
U	InitPrinter	To initialize your printer with the Preferences specifications.
P	Input	To specify the preferences for the input devices.
P	Internet	To specify the preferences for all Internet connections.
X	IoTools	Tools for use with IOMEGA devices.
N	IPF	To alter packet filtering lists for IP packet input and output.
N	IPFStat	To report on packet filter statistics and filter list.
N	IPMon	To monitor /dev/ipl for logged packets.
N	IPNat	To translate internal addresses to external addresses using NAT.
D	Iprefs	Communicates Preferences information stored in the individual editor to the operating system.
D	Join	To concatenate two or more files into a new file.
D	KDebug	To set kernel debug parameters.
U	KeyShow	To display the current keymap.
I	Lab	To specify a label in a script file.
D	List	Lists specified information about files and directories.
D	LoadMonDrvs	To load the Monitor drivers from DEVS:.
D	LoadWB	Starts Workbench.
P	Locale	To specify the locale preferences used by the system.
D	Lock	Sets the write-protect status of a device.
D	MagTape	Re-tensions, rewinds, or skips forward SCSI tapes.
D	MakeDir	Creates a new directory.
D	MakeLink	Creates a link between files.
D	MD5Sum	Calculates and compare checksums of files.
S	Media Toolbox	To partition and configure hardware devices.
U	MEmacs	Enables screen-oriented text editing.
X	More	To display the contents of an ASCII file.
X	MooVId	Plays .avi and .mov files
D	Mount	Makes a device connected to the system available.
S	Mounter	Interactive partition mount tool.
C	MouseBlanker	Blanks the mouse pointer when you are typing at the keyboard.
D	Move	To move or rename files and directories.
U	MultiView	To display various files.
N	NetLogViewer	To capture any debug or notification network messages.
N	NetShutDown	To shutdown the network.
I	NewCLI	Opens a new Shell window.
I	NewShell	Opens a new Shell window.
C	NoCapsLock	Disables the Caps Lock key.
U	NotePad	To edit text files (a screen editor).
D	NVGetVar	To display the Non-Volatile UBoot environment variables.
N	OpenSSL	Cryptography toolkit command line tool.
P	Overscan	To change the size of the display area for text and graphics.
D	Owner	To change the ownership of a file or directory.
P	Palette	To specify the preferences for the Workbench color palette.
U	PartitionWizard	To check, repair, salvage and manipulate disk partitions.
I	Path	Controls the directory list that the Shell searches to find commands.
D	PathPart	To split and assemble directory and file names.
X	PCIScan	To show PCI cards attached to the system.
P	Picasso96Mode	To specify the graphics driver and available screen resolutions etc.
N	Ping	To check the quality of a network link or verify the connection of a machine to the Internet.
I	Pipe	To route the output from one program to become the input for another.
U	PlayCD	To play audio CDs.
P	Pointer	To change the appearance of the mouse pointer.
I	PopCD	Return the directory last recently saved with the PUSHCD command.
P	PopupMenu	To specify the preferences for the Popup Menus.
U	PrefsObjectsEditor	To edit any XML file
P	Printer	To specify the basic printer preferences.
P	PrinterGFX	To specify the printer graphics preferences.
P	PrinterPS	To specify the PostScript printer preferences.
U	PrintFiles	To send text files to your printer.
I	Prompt	Changes the prompt string of the current Shell.
D	Protect	Changes the protection bit of files and directories.
I	PushCD	Save the current directory on a stack and optionally change it.
I	Quit	Exits from a script file with a specified return code.
C	RAWBinfo	Replacement for the basic icon information process.
U	RawDisk	To read or write a number of blocks of a formatted disk, or transfer raw disk data to/from a named file.
D	Reboot	To reboot the system.
I	Recorder	Capture console output and store it in a file.
D	Relabel	To change the volume name of the disk in the given drive to the specified name.
D	RemRAD	Removes the recoverable RAM disk.
D	Rename	Changes the name of or moves a file or directory.
D	RequestChoice	Enables AmigaDOS and ARexx scripts to use custom requesters.
D	RequestFile	Allows AmigaDOS and ARexx scripts to use a file requester.
D	RequestString	Allows AmigaDOS and ARexx scripts to use a string requester.
D	Resident	Displays and modifies the list of resident commands.
A	RexxMast	To start ARexx.
N	RoadShowControl	To set parameters for RoadShow TCP/IP Stack.
D	Run	Executes commands as background processes.
A	RX	Launches an ARexx program.
A	RXC	Closes the resident process for ARexx.
A	RXLIB	Adds a library to Library List for ARexx.
A	RXSET	Adds a (name,value) pair to the Clip List for ARexx.
N	Sample	To sample network activity.
P	ScreenBlanker	To specify the preferences for the Screen Blanker.
C	ScreenBlankerEngine	To execute the Screen Blanker Engine.
P	ScreenMode	To specify the preferences for the Screen Mode.
P	Screens	To specify the preferences for Defined Screens.
D	Search	Looks for the specified text string in the files of the specified directories.
X	Serial	To set the preferences for communication through the serial port.
D	Set	Sets the value of a local variable.
D	SetClock	Sets or reads the battery backed-up hardware clock.
D	SetDate	Change the timestamp of a file or directory.
D	SetEnv	Sets the value of a global variable.
D	SetFont	Changes the font of the current Shell.
D	SetFontCharSet	Adds charset tag and version string to a FontContentsHeader file.
D	SetKeyboard	Sets the keymap for the Shell.
D	SetPatch	Makes patches to the system software.
S	Shell	To open a new AmigaShell.
N	ShowNetStatus	To display network status information.
D	Skip	Skips to a label when executing script files.
D	Sort	Alphabetically sorts the lines of a file.
P	Sound	To control the type of sound and sound attributes.
D	Stack	To display or set the stack size within the current Shell.
D	Status	To list information about Shell/CLI processes.
I	SwapCD	Interchange the current directory and a stacked directory.
A	TCC	Closes the global tracing console for ARexx.
A	TCO	Opens the global tracing console for ARexx.
N	TCPDump	To dump TCP traffic on a network.
A	TE	Clears interactive tracing for ARexx.
I	TEE	Send data from the standard input to the standard output and also print it to the console.
P	Time	To set the system clock.
N	TraceRoute	To display the route packets take to a network host.
A	TS	Starts interactive tracing for ARexx.
D	Type	Displays the contents of a file.
S	TypeManager	To install new fonts.
P	UBoot	To reconfigure the UBoot settings.
D	UnAlias	To remove an alias.
U	UnArc	To unpack an archive file.
D	UnSet	To remove a local environment variable.
D	UnSetEnv	To remove a global environment variable.
D	Uptime	To display the date and time that the system was booted.
P	USB	To set the USB preferences.
D	USBCtrl	To start/restart/stop the USB file system.
U	USBInspector	To display currently active USB devices.
S	USBStart	To start the USB file system and open the USB stack.
S	USBStop	To stop the USB file system and close the USB stack.
D	Version	To find software version and revision numbers.
D	Wait	To wait for a specified time.
A	WaitForPort	Waits for a specified ARexx port.
D	WBCtrl	To manipulate various features of the Workbench from a Shell.
D	WBInfo	To display icon information from a Shell or script.
P	WBPattern	To specify the backgrounds for Workbench windows.
D	WBRun	To start applications in Workbench mode from a Shell window or script.
D	Which	To search the command path for a particular item.
D	Why	To print an error message that explains why the previous command failed.
P	Workbench	To customise the Workbench Preferences.
W	XAD2Lha	To extract data from other archives and stores it in an lha archive.
W	XADLibInfo	To display information about the supported archivers.
W	XADList	To examine files and print the names of the archivers.
W	XADUnDisk	To extract data from disk archives.
W	XADUnFile	To extract data from single file archives.
W	XADUnFileM	To extract data from multiple file archives.
W	XADUnTar	To extract data from TAR archives.