Whether you are a newbie or seasoned developer, it is a must for every developer or engineer to learn some basic Linux commands. Here is a list of 20 basic but important commands that can help you a lot to gain a better understanding of your application environment.

ls

List all files and directories in the current working directory.

pwd

pwd stands for Print Work Directory meaning it will show the directory where you are currently in.

cd

cd stands for Change Directory. If you want to browse from one directory to another you need to use the cd command.

mkdir

To create a new directory.

rmdir

To remove a directory. You can remove any directory by this command. Only if the directory is empty otherwise it can not be removed by rmdir command. But there is a way to remove a directory with its files or not.

rm

Use rm command using -rf option. It will forcefully remove the directory.

touch

The touch command is used to create an empty file.

cat

This command is used to view the contents of any file.

cp

This command is used to copy a file from source to destination.

mv

This command is used to move a file from one location to another.

cmp

This command is used to compare two files

history

This command is used to check the commands used in history.

find

This command is used to search for files from the terminal.

which

This command is used for searching the executable location of the given parameter.

locate

It is used to find the location of a specific file.

grep

It is the most useful and powerful commands you can use when searching for patterns

clear

It is used to clear out the terminal screen.

sudo

It allows you to access the root from your user account.

chmod

It allows you to change or modify the access permission of system files or objects.

chown

It’s similar to the chmod command but instead of changing access permissions it enables the users to change the ownership of a file or directory.

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