Ms SQL SERVER image or big text input and output

There is an executable file named TEXTCOPY. EXE in the ms SQL SERVER installation directory.
You can input and output text or image data in ms SQL SERVER.
But you can execute textcopy/in MS-DOS mode /? Get its description.

The following describes the tool:
Copies a single text or image value into or out of SQL Server. The val
Ue
Is a specified text or image 'column' of a single row (specified by th
E
"Where clause") of the specified 'table '.
If the direction is IN (/I) then the data from the specified 'file' is
Copied into SQL Server, replacing the existing text or image value. If
The
Direction is OUT (/O) then the text or image value is copied from
SQL Server into the specified 'file', replacing any existing file.
TEXTCOPY [/S] [sqlserver] [/U [login] [/P] [password]
[/D] [database] [/T table] [/C column] [/W "where clause"]
[/F file] [{/I |/O}] [/K chunksize] [/Z] [/?]
/S sqlserver The SQL Server to connect to. If 'sqlserver 'is n
Ot
Specified, the local SQL Server is used.
/U login The login to connect with. If 'login' is not spec
Ified,
A trusted connection will be used.
/P password The password for 'login'. If 'password' is not
Specified, a NULL password will be used.
/D database The database that contains the table with the tex
T or
Image data. If 'database' is not specified, the d
Efault
Database of 'login' is used.
/T table The table that contains the text or image value.
/C column The text or image column of 'table '.
/W "where clause" A complete where clause (including the WHERE keyw
Ord)
That specifies a single row of 'table '.
/F file The file name.
/I Copy text or image value into SQL Server from 'Fi