What commands can be used to check resource consumption in Linux?

In Linux, the following commands can be used to check resource consumption:

• top — interactive view of processes and their CPU, memory load.
• htop — an improved version of top with a user-friendly interface.
• ps aux — displays a list of processes with resource usage information.
• free -m — shows memory usage.
• vmstat — statistics on memory, processes, input/output.
• iostat — statistics on disk operations.
• sar — collects and displays system statistics.
• du -sh <path> — size of disk space used by a directory or file.
• df -h — information on free and used disk space.

Example of using top:

top

Example of memory output:

free -m

These tools allow monitoring CPU load, memory usage, disk, and other system resources.