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-   -   The difference in $HISTSIZE AND $HISTFILESIZE using backtrack 5 (https://www.linuxquestions.org/questions/linux-newbie-8/the-difference-in-%24histsize-and-%24histfilesize-using-backtrack-5-a-4175427457/)

charging-ibis 09-15-2012 10:23 PM
The difference in $HISTSIZE AND $HISTFILESIZE using backtrack 5
 
Ok, so I have noticed that $HISTSIZE & $HISTFILESIZE and I understand that they show the size of the history file but why dose these two different figures. Here is what I have:

Code:
root@root:/dev# echo $HISTSIZE
1000
root@root:/dev# echo $HISTFILESIZE
2000
Could I get a good explanation so that I can understand the difference between these two variables if they show the file history.

jv2112 09-16-2012 05:58 AM
Lines .vs Commands : Practically speaking not a big difference.


Quote:
$HISTFILESIZE environment variable: The maximum number of lines contained in the history file. When this variable is assigned a value, the history file is truncated, if necessary, to contain no more than that number of lines. The default value is 500.



$HISTSIZE environment variable: The number of commands to remember in the command history (see HISTORY below). The default value is 500.


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