Google IT Support Professional:Operating Systems and You: Becoming a Power User (Week 5) Process Management.

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★Process Utilization★

Q1.Which of the following PowerShell commands will tell you which process on your system is using the most CPU resources?

1. Get-Process | Sort CPU -descending | Select -first 1 -Property ID,ProcessName,CPU
2. Get-Process | Sort RAM -descending | Select -first 1 -Property ID,ProcessName,CPU
3. cpu_usage.exe | top -1

That command will do the trick. It will filter the output of the Get-Process commandlet to determine the top user of the CPU resource, and give its Process ID, name, and the amount of CPU used.

Q2.If you have a slow computer, what are some possible culprits that could be causing this?

1. High CPU usage
2. Lots of I/O activity
3. High RAM usage
4. Too many processes running

A slow computer could be a sign of lots of things, but it's always smart to first check the utilization of your resources.

Q3.In a Linux machine, what command can you use to safely terminate a process with a PID of 342?

1. kill 342
2. kill -KILL 342
3. kill -TSTP 342
4. kill -CONT 342

To terminate a process safely, send the SIGTERM signal.

Q4.In a Linux machine, what command can you use to absolutely kill a process with a PID of 342?

1. kill 342
2. kill -KILL 342
3. kill -TSTP 342
4. kill -CONT 342

To kill a process, you'd use the SIGKILL signal.

Q5.In a Linux machine, what command can you use to suspend a process with a PID of 342?

1. kill 342
2. kill -KILL 342
3. kill -TSTP 342
4. kill -CONT 342

To stop or suspend a running process, you'd send the SIGTSTP signal.

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