Linux commands are essential for interacting with the operating system and performing various tasks. Here are some popular Linux commands:
ls: List files and directories in the current directory.
ls
cd: Change directory.
cd directory_name
pwd: Print the current working directory.
pwd
cp: Copy files or directories.
cp source_file destination
mv: Move or rename files or directories.
mv source destination
rm: Remove files or directories.
rm file_name
mkdir: Create a new directory.
mkdir directory_name
rmdir: Remove an empty directory.
rmdir directory_name
cat: Concatenate and display the content of files.
cat file_name
touch: Create an empty file or update the access and modification times of a file.
touch file_name
nano (or vim): Text editors for creating and editing files.
nano file_name
grep: Search for a pattern in files.
grep pattern file_name
ps: Display information about active processes.
ps
kill: Terminate a process.
kill process_id
top: Display dynamic information about running processes.
top
df: Display information about disk space usage.
df
du: Show disk usage of files and directories.
du
man: Display the manual or help information for a command.
man command_name
chmod: Change file permissions.
chmod permissions file_name
chown: Change file owner and group.
chown owner:group file_name
tar: Create or extract compressed archive files.
tar options archive_file
wget: Download files from the internet.
wget URL
ssh: Connect to a remote server securely.
ssh username@hostname
sudo: Execute a command with superuser privileges.
sudo command
These are just a few examples, and there are many more Linux commands with various options and functionalities. Learning these commands is fundamental for effectively managing and interacting with a Linux system.