how can i change my PATH

Shell Programming and Scripting
1 
  1.  that you are calling the POSIX UNIX commands located under /usr/xpg4/bin instead of those under /usr/bin

  2.  that you can run programs from the current directory

  3.  that your scripts located in the bin directory under your HOME directory can be found and executed from any location

  4.  that you can find and run programs from the system binaries /usr/sbin, the Sun Freeware directory /usr/sfw/bin, directories for additional software such as /opt/bin, /usr/local/bin and /usr/local/sbin

5.      search the location for the perl 5 binaries, such as perldoc, and add that location to your PATH

i tried this tow path but it's not working

� PATH=/usr/xpg4/bin:/usr/bin:/usr/sbin:/usr/sfw/bin:/opt/bin:/usr/local/bin:/usr/local/sbin:/usr/perl5/bin/perldoc:/export/home/bin:/$HOME:/etc:.

export PATH=$PATH:/usr/xpg4/bin:/usr/bin:/export/home/vpatel44/bin:/usr/sbin:/usr/sfw/bin:/opt/bin:/usr/local/bin:/usr/local/sbin:/usr/perl5/pod:/etc/:.

5

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