Answer Posted / sivasankar.s

cat command displays the contents of the file.

Ex :
$ cat fruits.txt
apple
orange
grapes

touch command changes the modified date and time of the
file.

before use touch command
$ls -ltr
-rw-r--r-- 1 s aaa 20 Oct 29 16:39 fruits.txt

$ touch fruits.txt

$ls -ltr
-rw-r--r-- 1 s aaa 20 Oct 29 16:51 fruits.txt

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