Linux Crash Course for Beginners - 2023 - System Monitoring Commands

This video tutorial covers essential Linux system monitoring commands crucial for system administration and engineering roles. It explains commands like top, DF, dmessage, IO stat, netstat, free, and cat, detailing their usage in monitoring system resources, disk usage, system warnings, input/output statistics, network information, and memory/CPU details. The tutorial emphasizes the importance of these commands for job interviews and practical system management.

Which of the following commands is used to monitor CPU and memory usage in Linux?

• dmesg

• top

• df

• netstat

What does the 'df' command primarily report?

• System warnings

• Network connections

• Disk partition information

• CPU usage

Which command provides system-related warnings and error messages?

• cat

• dmesg

• iostat

• free

What is the primary function of the 'iostat' command?

• Monitor network connections

• Check disk and network I/O statistics

• Display memory usage

• List system processes

Which command is used to find gateway information and subnet mask in Linux?

• netstat

• df

• free

• cat

What information does the 'free' command provide?

• CPU information

• Network statistics

• Physical and swap memory usage

• Disk usage

Where does the 'cat' command read CPU information from?

• /etc/cpuinfo

• /proc/cpuinfo

• /usr/cpuinfo

• /var/cpuinfo