Will the buff cache in Linux affect physical memory, and you don't need to manually clean up the buff cache?
38112
What is the buffers column in the output from free?
47758
Why is Ubuntu using so much memory?
87899
Why are there deb files in /var/cache/apt/archives/?
126875
Are there any benefits to using identical memory modules?
154391
Correct way to apply patches to your kernel?
12583
What is CPU Cache used for?
477
Does Stack Exchange use caching and if so, how?
114995
Do all updates, even kernel, take affect without rebooting
129070
What does "Verify Integrity of Game Cache" do?
139358
Correctly determining memory usage in Linux
40876
real memory usage
19794
Why is the cache in my memory always full?
96877
Swap 95%+ , but a lot of free ram memory
13854
Should I expect adding more RAM of the same model to lead to worse benchmarks?
45808
Is there a difference between SWAP and Cache memory?
149896
How can virtual memory be greater than the total available space?
46953
How frequently is the proc file system updated on Linux?