these types of command founds in seprate file on disk. they are loaded into memory only when they called a ms-dos command that is not included in command.com,external commands are called externsl because they requried a large requriedments.
yes it is an external command.
The 'ls' command is an external command (found in /bin)
Yes.
Internal commands are functions that are built into the command interpreter, External commands are those not included in the interpreter, and are instead invoked by calling an external binary. Whether or not a particular command is internal or external varies by system. For example, echo is an internal command in MS-DOS (it is built into COMMAND.COM), while in most Linux systems, it is an external one, provided by GNU coreutils.DOS Internal command is associated with his Shell file Command.Com.. DOS external command is saved on the disk..
FORMAT , FDISK and SCANDISK are the external commands == == FORMAT , FDISK and SCANDISK are the external commands == ==
1. Internal Command: Present in Command.com..2. External Command: Present in the disk..
FORMAT , FDISK and SCANDISK are the external commands == == FORMAT , FDISK and SCANDISK are the external commands == ==
Internal commands are the commands that are executed <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /> directly by the shell. These commands will not have a separate process running for each. External commands are the commands that are executed by the kernal. These commands will have a process id running for it. Internal commands are stored in the cmd.exe command interpreter, ex. Dir External commands correspond to a .com or .cmd file, ex.
The MS-DOS 7 External Commands(Programs in the Windir\COMMAND folder)Table of Contents (the Programs)attrib choice command debug
The DOS message "bad command or file name" means that the command you entered was not recognized as an internal command or as an external command in the working directory or path.
Command Name - the command to be carried outParameter - object the command should act onSwitch - modifies the way you carry out a command represented by a forward slash (/) and a character e.g. /FExample.:C:\book>Tree /F
There is no easy way - if there is a path name involved then it is external. You could use the 'whence' or 'whatis' commands to see if they are an alias or internal command, but that varies depending on which login shell you are using.