Question Analysis
Within Linux process execution records, locate any bash commands where the HISTFILESIZE environment variable was exported. What value was assigned to HISTFILESIZE?
5cafd6c1-2f43-46eb-ac47-a5301ba0a618
Question ID
16/16
Models Correct
1
Valid Answer
100%
Success Rate
Reference Answer
Human-validated correct answer for this question
0
Model Performance Comparison
See how different AI models performed on this question
Model | Answer | KQL Query | Status | Attempts | Time | Cost |
---|---|---|---|---|---|---|
gemini-2.5-flash-preview-04-17 | 0 | DeviceProcessEvents
| where FileName == "bash" or ProcessCommandLine contains "bash"
| where ProcessCommandLine contains "export HISTFILESIZE="
| extend HISTFILESIZE_Value = extract(@"export\s+HISTFILESIZE=([^\s]+)", 1, ProcessCommandLine)
| project Timestamp, DeviceName, ProcessCommandLine, HISTFILESIZE_Value | Correct | 2 | 12.19s | 0.0058 |
gpt-35-turbo | 0 | DeviceProcessEvents | where ProcessCommandLine contains 'bash' | where ProcessCommandLine contains 'export HISTFILESIZE' | Correct | 1 | 3.04s | 0.0053 |
gpt-4-turbo-2024-04-09 | 0 | DeviceProcessEvents
| where FileName == 'bash' and ProcessCommandLine has 'export HISTFILESIZE'
| extend HISTFILESIZE_Value = tostring(extract('HISTFILESIZE=(\\d+)',1,ProcessCommandLine))
| project TimeGenerated, DeviceName, AccountName, ProcessCommandLine, HISTFILESIZE_Value | Correct | 3 | 21.97s | 0.1494 |
gpt-4.1 | 0 | DeviceProcessEvents
| where FileName =~ "bash"
| where ProcessCommandLine has "export HISTFILESIZE="
| extend HISTFILESIZE_Value = extract(@'export HISTFILESIZE=([^\s;]+)', 1, ProcessCommandLine)
| project TimeGenerated, DeviceName, AccountName, ProcessId, ProcessCommandLine, HISTFILESIZE_Value | Correct | 1 | 4.37s | 0.0121 |
gpt-4.1-finetuned | 0 | DeviceProcessEvents
| where FolderPath endswith "bash" or ProcessCommandLine contains "/bash "
| where ProcessCommandLine contains "export" and ProcessCommandLine contains "HISTFILESIZE="
| Correct | 1 | 6.65s | 0.0227 |
gpt-4.1-mini | 0 | DeviceProcessEvents
| where FileName == "bash" // limit to bash processes
| where ProcessCommandLine contains "export HISTFILESIZE=" // commands exporting HISTFILESIZE
| extend HISTFILESIZE_Value = extract(@"export HISTFILESIZE=([^\s]+)", 1, ProcessCommandLine) // extract the assigned value
| project TimeGenerated, DeviceName, AccountName, ProcessCommandLine, HISTFILESIZE_Value
| where isnotempty(HISTFILESIZE_Value) | Correct | 1 | 4.06s | 0.0025 |
gpt-4.1-nano | 0 | DeviceProcessEvents
| where ProcessCommandLine contains 'bash'
| where ProcessCommandLine matches regex @'(?i)export\s+HISTFILESIZE\s*=\s*[^\s]+'
| extend HISTFILESIZE_Value=extract(@'HISTFILESIZE\s*=\s*([^\s]+)', 1, ProcessCommandLine)
| project TimeGenerated, DeviceName, ProcessCommandLine, HISTFILESIZE_Value
| where isnotempty(HISTFILESIZE_Value) | Correct | 1 | 2.64s | 0.0006 |
gpt-4o | 0 | DeviceProcessEvents
| where InitiatingProcessCommandLine has "export HISTFILESIZE="
| extend HISTFILESIZEValue = extract("HISTFILESIZE=(\\d+)", 1, InitiatingProcessCommandLine)
| project DeviceId, DeviceName, ProcessCommandLine, HISTFILESIZEValue | Correct | 1 | 2.41s | 0.0157 |
grok-3-beta | 0 | DeviceProcessEvents
| where ProcessCommandLine has 'bash'
| where ProcessCommandLine matches regex @'export\s+HISTFILESIZE=\d+'
| extend HISTFILESIZE_Value = extract(@'HISTFILESIZE=(\d+)', 1, ProcessCommandLine)
| project DeviceName, AccountName, ProcessCommandLine, HISTFILESIZE_Value, Timestamp
| order by Timestamp desc | Correct | 1 | 9.36s | 0.0224 |
grok-3-mini-beta | 0 | DeviceProcessEvents
| where FileName contains "bash"
| where ProcessCommandLine contains "export HISTFILESIZE="
| extend HISTValue = extract("export HISTFILESIZE=([^ ]+)", 1, ProcessCommandLine)
| project TimeGenerated, DeviceName, ProcessCommandLine, HISTValue
| order by TimeGenerated desc | Correct | 1 | 10.84s | 0.0017 |
o1-high | 0 | DeviceProcessEvents
| where FileName == "bash"
| where ProcessCommandLine has "export HISTFILESIZE="
| extend HISTFILESIZEValue = extract(@"export\s+HISTFILESIZE=(?<histVal>\S+)", 1, ProcessCommandLine)
| project TimeGenerated, DeviceName, AccountName, ProcessCommandLine, HISTFILESIZEValue | Correct | 1 | 27.80s | 0.2306 |
o1-low | 0 | DeviceProcessEvents
| where FileName =~ "bash"
| where ProcessCommandLine contains "export HISTFILESIZE="
| parse kind=regex ProcessCommandLine with ".*export HISTFILESIZE=([^ ]+).*" histFileSize
| project TimeGenerated, DeviceName, AccountName, ProcessCommandLine, histFileSize | Correct | 5 | 117.31s | 0.8059 |
o3-mini-high | 0 | DeviceProcessEvents
| where FileName has "bash" and ProcessCommandLine contains "export HISTFILESIZE"
| extend HistfileSize = extract(@"export\s+HISTFILESIZE[=\s]+(\S+)", 1, ProcessCommandLine)
| project TimeGenerated, DeviceName, AccountName, FileName, ProcessCommandLine, HistfileSize | Correct | 1 | 8.73s | 0.0081 |
o3-mini-low | 0 | DeviceProcessEvents
| where FileName contains "bash"
| where ProcessCommandLine contains "export HISTFILESIZE="
| extend HISTFILESIZEValue = extract("export\\s+HISTFILESIZE=([^\\s]+)", 1, ProcessCommandLine)
| project TimeGenerated, ProcessCommandLine, HISTFILESIZEValue | Correct | 2 | 16.30s | 0.0189 |
o4-mini-high | 0 | DeviceProcessEvents
| where FileName == "bash"
| where ProcessCommandLine contains "HISTFILESIZE"
| extend HistFileSize = extract(@"HISTFILESIZE\s*=\s*([^;\s]+)", 1, ProcessCommandLine)
| where isnotempty(HistFileSize)
| project TimeGenerated, DeviceName, AccountName, ProcessCommandLine, HistFileSize | Correct | 1 | 31.44s | 0.0097 |
o4-mini-low | 0 | DeviceProcessEvents
// Rely on the platform's time picker for the timerange
| where FileName == "bash" or ProcessCommandLine has "bash"
| where ProcessCommandLine has "export HISTFILESIZE"
// Extract the HISTFILESIZE value using regex
| extend HISTFILESIZE_Value = extract(@"HISTFILESIZE\s*=\s*([^; ]+)", 1, ProcessCommandLine)
| project TimeGenerated, DeviceName, AccountName, ProcessId, ProcessCreationTime, ProcessCommandLine, HISTFILESIZE_Value
| order by TimeGenerated desc | Correct | 1 | 60.91s | 0.0098 |