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35
$
sh
-x
proc
Thí duï:
-
duøng “-x”:
$
cat exam1
set
-x
echo “The current directory is :”
pwd
echo “List of files :“
echo file1 file2 file3
$
exam1
+ echo The current directory is :
The current directory is:
+ pwd
/users/user8
+ echo List of files:
List of files:
+ echo file1 file2 file3
file1 file2 file3
-
duøng “-v”:
$
cat exam2
set
-v
echo “The current directory is :”
pwd
echo “List of files :“
echo file1 file2 file3
$
exam2
echo The current directory is :
The current directory is:
pwd
/users/user8
echo List of files:
List of files:
echo file1 file2 file3
file1 file2 file3
Coù theå duøng kyù töï ‘#’ ñeå vieát chuù thích cho doøng leänh trong shell_script, neáu chuù thích
vieát ngay sau leänh treân cuøng moät doøng, ta phaûi cho ít nhaát moät daáu caùch (space) vaøo
tröôùc kyù töï ‘#’.
