External Command

Things to remember

• Commands that need external additional file with command.com are external commands. Example: XCOPY, CHKDSK, LABEL, TREE etc.
• DEL TREE used to remove directory which is empty or non-empty.
• DISKCOPY to make duplicate copy of a disk. While copying, both the disk must have equal capacity.
  
• UNDELETED is used to recall deleted files.
• DISKCOPY is used to make duplicate copy of a disk. While copying, both the disk must have equal capacity.
• SYS is used to transfer system files from one disk to another.
• ATTRIB changes attribute and setting of files and directories.
• CHKDSK Checks and displays status report of any disk.
• LABEL  Creates, changes and deletes volume label name of a disk.
• DISKCOMP is used to compare two disks.
• EDIT is used to edit files.
• EXIT is used to quit from MS-DOS program.