Foxpro has a wide range of functions and commands Many were introduced in earlier versions of the language and have been carried through from FoxBase to Visual Foxpro.Belo is list of some of the more useful commands and functions.

commands Vs function:-

commands do something whereas functions just return a value to be displayed or used in another command.  

Few general command used in Foxpro:-

CLEAR

Clears the screen
 

CLEAR MEMORY

Common MS-DOS Commands

External commands are:-

• Not a part of COMMAND.COM.
• Located in another directory which should be set by PATH command
• Must be loaded into memory as needed by the OS.
  External All require that an executable file by that name is available for use and PATH statement frequently necessary which tell the location of file.

• FORMAT
• FDISK
• SYS
• ATTRIB
• COPY
• XCOPY
• SCANDISK
• CHKDSK
• DELTREE
• DEFRAG
• DEBUG
• DISKCOPY
 

All contained within COMMAND.COM and No need for PATH statement.

– DATE
– TIME
– VER
– PROMPT
– PATH
– DIR
– CD, MD ,RD
– DEL
– EXIT
In next chapters i have explained each of these commands.

You can use followinf command for checking version of linux you are using.

cat /etc/redhat-release

uname -a 

/proc/version

[root@indiapoly test]# cat /etc/redhat-release
Fedora Core release 4 (Stentz)