Some UNIX Commands - Arranged ALPHABETICALLY

Hardware/System disk files/directories

network internet printers

XWindows Programming miscellaneous

Administrative/System

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 

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The symbol indicates a pointer to a more detailed description of the function.
FreeBSD Commands  OpenBSD Commands  NetBSD Commands  Linux Commands 

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Special Keystrokes

- A -

useradd (Administrative/System) - Add a new user to the system
ADDGROUP - ???
AR (files/directories) -
  ARCH (hdwe/systm) - Display Machine Architecture

- C -

  CAL (hdwe/systm) - Display a 1 month Calendar
CANCEL (printing) -
CAT (files/directories) -
CD (files/directories) - Change Directory
CFDISK (disk) - Curses based Disk Partition Table manipulator
CHAGE (Administrative/System) - ???
CHATTR (files/directories) -
  CHFN (Administrative/System) - Change Your Finger Information
  CHFLAGS (files/directories) - change a file's flags
  CHGRP (files/directories) - Change Group ID of a file
CHKDUPEXE (files/directories) - Find Duplicate Executables
  CHMOD (files/directories) - Change a file's mode
  CHOWN (files/directories) - change a file's owner
  CHPASS (Administrative/System) - Edit User Data
  CHSH (Administrative/System) - Change Your Login Shell

CJPEG (files/directories) - Compress an image file to a JPEG file
CKSUM (files/directories) - Checksum and Count the Bytes in a File
  CLEAR (hdwe/systm) - Clear the Terminal Screen
CLOCK (hdwe/systm) - Manipulate the CMOS Clock
CMP (files/directories) - Compare Two Files of Any Type
COMM (files/directories) -
COMPRESS (files/directories) -
CP (files/directories) - Copy A File
CUT (files/directories) -

- D -

  DATE (hdwe/systm) - Show and Set Date and Time
DC (files/directories) -
  DF (disk) - Summarize Disk Free Space
DIALOG (programming) -
DIFF (files/directories) - Find Differences Between Two Files
DIFF3 (files/directories) - Find Differences Between Three Files
DJPEG (files/directories) - Decompress a JPEG File to an Image File
DSPLIT (files/directories) - Split a Large File into Pieces
  DU (disk) - Summarize Disk Usage

- E -

  EDQUOTA
ENSCRIPT (printing) -

- F -

  FASTBOOT
  FASTHALT

• FD (disk) - Floppy Disk Device Information

  FDFORMAT (disk) - Low-Level formats a floppy disk
• FDISK (disk) - Disk Partition Table manipulator

FILE (files/directories) -
FIND (files/directories) - Find a File
  FINGER (administrative/system) -
FINGERD (network) -
FIZ (files/directories) - Analyze a Damaged ZOO Archive for Data Recovery
• FRAG (disk) - Simple Fragmentation Checker

FREE (hdwe/systm) - Display Amount of Free and Used Memory in the System
  FSCK
FTP (internet) - User interface to the Internet standard File Transfer Protocol (FTP) which transfers files to and from a remote network site.
FUSER (files/directories) -

- G -

•   GETQUOTA
  GPM (hdwe/systm) - Cut and Paste Utility and Mouse Server tor Virtual Consoles

  GROUP
  GROUPS
  GROUPADD
  GROUPDEL
  GROUPINFO
  GROUPMOD
GZIP (files/directories) -

- H -

  HALT
HD (disk) - MFM/IDE Hard Disk Device Information
HEAD (files/directories) -
  HOST (internet) -
HOSTID (internet) -
  HOSTNAME (network) - Show or Set the System's Host Name

- I -

ID (network) -
  IFCONFIG (network) - Configure a Network Interface
INDENT (programming) -
INFO (miscellaneous) -
INSTALL (miscellaneous) -

- K -

• KILL (hdwe/systm) - Terminate a Process
• KILLALL (hdwe/systm) - Terminate Processes by Name

- L -

  LAST (Administrative/System) - indicate last logins of users and ttys
LDD (programming) -
LESS (hdwe/systm) -
LOCATE (files/directories) -
LOGIN (Administrative/System) - Sign Onto a System
  LOGNAME (Administrative/System) - Display name of user on this terminal
LOGOUT (Administrative/System) - ????

LOOK (files/directories) -
  LN (files/directories) -
LP (printing) -
LPCNTL (printing) -
LPQ (printing) -
LPR (printing) -
LPRM (printing) -
LPSTAT (printing) -
LPTEST (printing) -
LS (files/directories) - List File Names
• LSMOD (hdwe/systm) - Shows the Loaded Modules