comm

comm

The comm command in Linux is used to compare two sorted files and display the lines that are common, different, and unique to each file. It is a powerful tool that can be used to find differences between files, or to find common lines in two files.

The comm command is used in the following syntax:

comm [options] file1 file2

The file1 and file2 are the two files that you want to compare.

The options can be used to specify the following:

• -1 : Display the lines that are only in file1.

• -2 : Display the lines that are only in file2.

• -3 : Display the lines that are in both files.

• -u : Display the lines that are unique to file1 and file2.

For example, the following code will compare the files file1.txt and file2.txt and display the lines that are common to both files:

comm file1.txt file2.txt

This code will print the lines that are common to both files file1.txt and file2.txt to the standard output.

The comm command is a powerful and versatile tool that can be used to compare two sorted files. It is a simple and easy-to-use command that can be used to find differences between files, or to find common lines in two files.

Here are some additional things to note about the comm command:

• The comm command can be used to compare any two sorted files.

• The comm command can be used to find differences between files.

• The comm command can be used to find common lines in two files.

• The comm command is a simple and easy-to-use command.

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