DOS INTERNAL COMMANDS

1. dir – list the contents of the directory.
            dir/p  - to show the directory page by page
            dir/w  - to show the directory widthwise.
             dir/ah  - to show the hidden files

            dir /s  - to show the contents of sub-directories also. 

            Dir  <filename>  - to search for a file in the present directory.

            Dir  <drive>:  - to show the content of the <drive>: drive.

cls  - to clear the screen

copy  - to copy the source files to destination folder.
copy    <source file or files>     <destination directory>
 copy   file1.exe  dir3

ren   or  rename  -  it is used to rename a file
ren   <existing name of the file>    <new name of thefile>

del   or  erase – it is used to delete a file or a group of files
del   <file name>

cd  - to change the directory
cd  <directory name>  - to change to the directory
cd..  – to go back to parent directory.
cd\  - to go back to root directory

mkdir  - to make a blank directory
mkdir   <dir name>

copy con – to create a text file
copy con   <file name>
<type the matter>
ctrl + z

rd  - to remove a blank directory
rd   <blank directory>

type   <text filename>  - to show the content of a text file
type   <filename>  |  more  - to show the content of a long text file page by page.

ver  - to show the version of O.S

 <drive>:   - to change the prompt to another drive.

path -  To set or to show the system path.
System path contains directories in which dos has to search for the files, which are required for the execution of the external commands.

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