2. diff
3.comm
cmp: It comapares 2 files.If files are same it returns promp or else it returns the message where the difference encountered.
Syn: $ cmp file1 file2
Ex: $ cmp paypal.txt funpal.txt
diff: This command compares 2files like cmp.If any difference found in 2 files it displays those lines.
Ex:
$ diff paypal.txt funpal.txt
comm : Used to compare 2 sorted files.It provides out put in 3 columns.
* In first column displays uniq lines of first file.
* In second column displays uniq lines of second file
* In third column displays common lines in 2 files.
Ex:-
Step1 : Create two files with some data
$ cat> paypal.txt
risk
payments
ebay
uv
norkom
$ cat> funpal.txt
foodball
cricket
crems
ebay
payments
Step2: Sort above files and store the data into another 2 different files
$ sort paypal.txt paypal1.txt [Enter]
$ sort funpal.txt funpal1.txt [Enter]
Step3: Use comm command
$ comm paypal1.txt funpal1.txt [Enter]
** output shows in 3 different columns.
