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#1
09-05-2006
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How does UNIX....?
Hello all,
Got a question to ask, in some OS, if a shell command is not an internal command, then it is assumed to be a separate program which is loaded into the memory of the computer and then executed. In UNIX a different technique is used which does much the same sort of thing. What is the UNIX technique? 
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#2
09-05-2006
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You have it exaclty.
UNIX uses a PATH variable to look up the location of external commands. Code:
echo $PATH In ksh or sh Code:
type <command> To force the shell to use external print on my box add a fully qualified name: Code:
/usr/bin/print "some stuff"
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