Amith K S

  Basic Commands ls – List files and directories. pwd – Print the current working directory. cd – Change directory. mkdir – Create a new directory. rm – Remove files or directories. cp – Copy files or directories. mv – Move or rename files. File Management touch – Create an empty file. cat – Display file contents. nano / vim – Open a file in a text editor. chmod – Change file permissions. chown – Change file ownership. System Monitoring top – Display running processes. ps – Show active processes. df – Check disk space usage. du – Show directory size. free – Display memory usage. Networking ping – Check network connectivity. curl – Fetch data from a URL. wget – Download files from the internet. netstat – Show network connections. ifconfig / ip a – Display network interfaces. User Management whoami – Show current user. who – List logged-in users. passwd – Change user password. useradd – Create a new user. usermod – Modify user account.