This command displays disk usage statistics for all files and directories in the current directory in a human-readable format.

This demonstrates file and directory removal in Bash, including verbose and recursive deletion, and suggests using trash-cli for safer file deletion.

This demonstrates process management and system monitoring using the htop command.

This demonstrates the use of the top command to display real-time system and process information.

This demonstrates forcing a system reboot using the reboot command with the -f option.

This demonstrates the use of the reboot command to restart the system immediately.

This demonstrates canceling a scheduled system shutdown using the shutdown -c command.

This demonstrates scheduling a system reboot using the shutdown command with a delay and a custom message.

This demonstrates using the shutdown command to reboot the system immediately with a custom message.

This command initiates a system reboot using the shutdown command with the --reboot option.

This demonstrates setting the highest priority for a command using nice.

This demonstrates using lsof to list processes occupying TCP port 4000.

This demonstrates using the lsof command to list open files and their associated processes.

This demonstrates the use of the pidof command to find the process ID (PID) of a running program named foo.

This demonstrates listing all running processes on a Linux system using ps aux, displaying detailed information such as CPU and memory usage.

This demonstrates configuring an SSH connection using the ~/.ssh/config file to simplify SSH connections with predefined settings.

This demonstrates reattaching to a detached screen session using the screen command.

This command lists all active screen sessions in a terminal multiplexer environment.

This demonstrates using the lshw command to list detailed hardware information.

This demonstrates listing all PCI devices connected to the system using the lspci command.