Answer / tarun

The first line of any script shpuld specify the shell type
in which the script is run.
Syntax is
"#!/bin/xyz"
where xyz is the shell type in which the script must run.

As syntax in different shells vary so it is important to
make a global script.

Answer / prav gir

$SHELL

Answer / guest

by Using command ksh/csh

RAM one table colums a1,a2,a3,a4 respective values 2,4,7,8 KRISH one table colums a1,a2,a3,a4 respective values 3,4,6,9 IN RAM & KRISH a4 column if comparing values RAM A4 - KRISH A4 ( 8-9 =1 THEN print 5 or (RAM) a4 value 10 KRISH a4 values 2 then 10 -2 =8 print 5*8=40 or diff 5 print same

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