Introduction
The Linux command cmp is a utility used to compare two files byte-by-byte. It is used to determine if two files are identical or not. It can also be used to compare two files of different sizes. The cmp command is useful for verifying the integrity of files, as it can detect any discrepancies between the two files. It can also be used to compare the contents of two directories. The cmp command is available on most Linux distributions.
Examples
The cmp command is used to compare two files byte by byte and it displays the first mismatch if the files are different.
Syntax:
cmp [options] file1 file2
Options:
-l : Displays the byte number and differing values for each mismatch.
-s : Suppresses all output.
Example:
cmp file1.html file2.html
This command will compare the two HTML files byte by byte and display the first mismatch if the files are different.
Linux Command
Linux is an open-source operating system that is used by millions of people around the world. It is a powerful and versatile operating system that can be used for a variety of tasks. One of the most important aspects of Linux is the command line, which allows users to interact with the system and execute commands. In this article, we will discuss some of the most commonly used Linux commands.
ls
The ls command is used to list the contents of a directory. It can be used to list files, directories, and other information about the contents of a directory. The command can also be used to list the contents of a directory in a specific format, such as long listing format or recursive listing format.
cd
The cd command is used to change the current working directory. This command is used to navigate to a different directory on the system. The command can also be used to move up or down the directory tree.
mkdir
The mkdir command is used to create a new directory. This command is used to create a directory with a specific name and path. The command can also be used to create multiple directories at once.
rm
The rm command is used to remove files and directories. This command is used to delete files and directories from the system. The command can also be used to delete multiple files and directories at once.
chmod
The chmod command is used to change the permissions of a file or directory. This command is used to set the permissions of a file or directory so that it can be accessed by certain users or groups. The command can also be used to set the permissions of multiple files and directories at once.
man
The man command is used to view the manual page for a command. This command is used to view the manual page for a command, which contains information about the command and its usage. The command can also be used to view the manual page for multiple commands at once.