Disk usage irregularities
52436
Why is there a discrepancy in disk usage reported by df and du?
133409
Disk I/O Utilization at 95%
40248
Too many open files - how to find the culprit
104002
Query to report disk space allocation and used space
52442
What is taking up so much space on my disk, beside the filesystem?
39823
How do I free up disk space?
42184
How do you find out which program is using too much memory?
71060
High RAM usage.
25270
Windows using too much RAM, how to diagnose resource hog
147100
Disk slowly filling up but no visible file size changes
117526
Large difference in reported free disk space
115094
Almost half of disk space unaccounted for on Windows 7 computer
7820
Why are there so many different ways to measure disk usage?
142160
Why would a 3TB disk show as being 746GiB
10037
How can I figure out what's slowly eating my HD space?
21741
How can I monitor the memory usage?
103366
How do I find what's eating up all of my system's memory? (not SuperFetch)