Windows Password Key Change Concept

IP ADDRESS CLASSES

IP address classes Class 1 st Octet Decimal Range 1 st Octet High Order Bits Network/Host ID (N=Network, H=Host) Default Subnet Mask Number of Networks Hosts per Network (Usable Addresses) A 1 – 126* 0 N.H.H.H 255.0.0.0 126 (2 7 – 2) 16,777,214 (2 24 – 2) B 128 – 191 10 N.N.H.H 255.255.0.0 16,382 (2 14 – 2) 65,534 (2 16 – 2) C 192 – 223 110 N.N.N.H 255.255.255.0 2,097,150 (2 21 – 2) 254 (2 8 – 2) D 224 – 239 1110 Reserved for Multicasting E 240 – 254 1111 Experimental; used for research Note: Class A addresses 127.0.0.0 to 127.255.255.255 cannot be used and is reserved for loopback and diagnostic functions. Private IP Addresses Class Private Networks Subnet Mask Addr...

UNIX/LINUX COMMAND

Unix / Linux Command cat --- for creating and displaying short files chmod --- change permissions cd --- change directory cp --- for copying files date --- display date echo --- echo argument ftp --- connect to a remote machine to download or upload files grep --- search file head --- display first part of file ls --- see what files you have lpr --- standard print command (see also print ) more --- use to read files mkdir --- create directory mv --- for moving and renaming files ncftp --- especially good for downloading files via anonymous ftp . print --- custom print command (see also lpr ) pwd --- find out what directory you are in rm --- remove a file rmdir --- remove directory rsh --- remote shell setenv --- set an environment variable sort --- sort file tail --- display last part of file ta...

PHP CODE TO DISPLAY IMAGE

<html> <head> <title>Img to PHP</title> </head> <body> <?php $x=0; echo "<h4>"; echo "LOOP1"; while($x<=5) { //echo " ".$x; $x++; //$x=$x+1 ?> HELLO PHP <?php echo ''.$x.'.jpg'; echo " "; echo '<img src='.$x.'.jpg'.' '.'height=50 ...

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