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REF:

http://www.nsftools.com/tips/MSFTP.htm 

http://rotterdam.ics.uci.edu/info/DosFtp.htm

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ANSWER:

Open a command prompt on your PC:
Click the Start button, select Run
Type: COMMAND
Click

[OK]

At the command prompt: (“text” to be entered at the command prompt is in quotes ; <keystrokes> to be typed are in carats)
“FTP”
<enter>
“open anysitehosting.com”
<enter>

Enter your username  and hit <enter>
Enter your password and hit <enter>

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EXAMPLES

———
“cd /wwwroot/” to change directories

———
“del /wwwroot/file.txt” to delete a single file

———
“mdelete /wwwroot/file*.*” to delte multiple files

———
cd /wwwroot/wp-admin/images/
mdelete logo*.*
mdelete wordpress-logo*.*
mdelete wp-logo*.*
mdelete wp-logo*.*

cd /wwwroot/wp-content/themes/twentyten/images/
del wordpress.png

cd /wwwroot/wp-includes/images/wlw/
del wp-icon.jpg
del wp-watermark.png

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APPLIES TO / KEYWORDS

FTP
MS-DOS


http://www.anysitesupport.com/how-do-i-ftp-using-dos-commands/