If you're a Linux user, there are some basic commands that you should know. In this blog post, we will go over 35 of the most important commands that every user should be familiar with. With these commands, you'll be able to do everything from navigating your filesystem to managing files and directories. So without further ado, let's get started!

1. The cd command is used to change directories. For example, if you want to go to the /etc directory, you would type: cd /etc.
2. The ls command is used to list the contents of a directory. For example, if you want to see the contents of the /etc directory, you would type: ls /etc.
3. The rm command is used to delete files and directories. For example, if you want to delete the file called "foo.txt", you would type: rm foo.txt.
4. The mv command is used to move files and directories. For example, if you want to move the file called "foo.txt" to the /tmp directory, you would type: mv foo.txt /tmp.
5. The cp command is used to copy files and directories. For example, if you want to copy the file called "foo.txt" to the /tmp directory, you would type: cp foo.txt /tmp.
6. The cat command is used to view the contents of a file. For example, if you want to view the contents of the file called "foo.txt", you would type: cat foo.txt.
7. The less command is used to view the contents of a file, one page at a time. For example, if you want to view the contents of the file called "foo.txt", you would type: less foo.txt.
8. The head command is used to view the first few lines of a file. For example, if you want to view the first 10 lines of the file called "foo.txt", you would type: head foo.txt.
9. The touch command is used to create files and directories. For example, if you want to create a file called "foo.txt", you would type: touch foo.txt.
10. The locate command is used to find files on your filesystem. For example, if you want to find the file called "foo.txt", you would type: locate foo.txt.
11. The find command is used to find files on your filesystem. For example, if you want to find the file called "foo.txt", you would type: find / -name foo.txt.
12. The grep command is used to search for text in files. For example, if you want to find the line in the file called "foo.txt" that contains the text "bar", you would type: grep bar foo.txt.
13. The pwd command will print the current working directory so that you can easily navigate back to it. This is a lifesaver when you're in the middle of a project and need to quickly find a file.
14. The sudo command is used to run commands as root. For example, if you want to delete the file called "foo.txt" with root privileges, you would type: sudo rm foo.txt.
15. The df command is used to display the amount of disk space used and available on your filesystem.
16. The du command is used to display the amount of disk space used by a given file or directory.
17. The tail command is used to view the last few lines of a file. It can also be used to follow a file as it grows, printing the new lines as they are added.
18. The diff command is used to compare two files or directories. It can be used to show the difference between two files, or the difference between the contents of two directories.
19. The tar command is used to archive files and directories. It can also be used to compress files and directories into a tarball.
20. The chmod command is used to change the permissions of files and directories. It can be used to give a file or directory read, write, and execute permissions, or to remove permissions.
21. The chown command is used to change the owner and group of files and directories. It can be used to give a file or directory ownership to another user, or to change the group that a file or directory belongs to.
22. The jobs command is used to view the status of running processes. It can be used to see the PIDs (process IDs) of running processes, the amount of CPU time they are using, and more.
23. The kill command can be used to terminate a process by its PID. For example, if you wanted to kill process number 123, you would use the following command:kill 123.
24. The ping command is used to test whether a remote host is reachable. It can be used to send packets of data to a remote host and measure the amount of time it takes for them to be returned. This can be used to help diagnose network problems.
25. The wget command can be used to download files from the internet. For example, if you wanted to download the Ubuntu operating system, you could use the following command:wget http://releases.ubuntu.com/18.04/ubuntu-18.04.1-desktop-amd64.isoThis would download the Ubuntu ISO file and save it to your computer.
26. The uname command can be used to view information about your system, such as the name of the operating system, the type of CPU, and the amount of RAM. For example, if you wanted to view the information for your system, you could use the following command:uname -a This would print out all of the information about your system.
27. The top command is used to view information about running processes. It can be used to see the PIDs (process IDs) of running processes, the amount of CPU time they are using, and more.
28. The history command can be used to view a list of the commands that have been executed on your system. It can be used to view the commands that you have typed in, or the commands that have been executed by other users.
29. The man command can be used to view the manual pages for a given command. For example, if you wanted to view the manual page for the ls command, you could use the following command:man lsThis would print out the manual page for the ls command.
30. The echo command is used to echo text to the screen. For example, if you wanted to echo the text "Hello, World!" to the screen, you could use the following command:echo "Hello, World!"This would print "Hello, World!" to the screen.
31. The zip command can be used to compress files and folders into a zip archive. For example, if you wanted to compress the file "file.txt" into a zip archive, you could use the following command:zip file.txtThis would create a zip archive called "file.txt.zip" that contains the contents of the file "file.txt".
32. The unzip command can be used to extract files from a zip archive. For example, if you wanted to extract the file "file.txt" from the zip archive "file.txt.zip", you could use the following command:unzip file.txt This would extract the contents of the file "file.txt" from the zip archive and save them to your computer.
33. The hostname command can be used to view the name of the computer that you are currently logged into. For example, if you wanted to view the name of your computer, you could use the following command:hostname This would print the name of your computer on the screen.
34. The useradd command can be used to add a new user to your system. For example, if you wanted to add the user "bob" to your system, you could use the following command:useradd bob This would add the user "bob" to your system.
35. The userdel command can be used to delete a user from your system. For example, if you wanted to delete the user "bob" from your system, you could use the following command:userdel bob This would delete the user "bob" from your system.
36. The mkdir command can be used to create a new directory on your system. For example, if you wanted to create a new directory called "docs", you could use the following command:mkdir docs This would create a new directory called "docs" on your system.
37. The rmdir command can be used to delete a directory on your system. For example, if you wanted to delete the directory "docs", you could use the following command:rmdir docs This would delete the directory "docs" from your system.