Save history command in another file

jsantosh_d · 10-29-2008, 02:02 AM

Hi,
i am santosh!!
plz help me , how can i save the history command that were fired into another file ,

is this possible though scripting???

Regards
santo

klearview · 10-29-2008, 02:05 AM

Simple:

history > file

(where file is anything you want)

jsantosh_d · 10-29-2008, 02:12 AM

thanks for UR reply!!!

let me explain u

i want to save the history commands automatically in the desired file ,may be a script can be used !!!
also can we add the any entried in the crond ,for automation???

OR
is there any command to restrict the root not to clear the history file!!!

i.e " history -c"

regards

klearview · 10-29-2008, 03:01 AM

Add 'shopt -s histappend' to your bashrc to get history appended on bash session exit, make sure you have 'export HISTCONTROL=erasedups' there to have no duplicate entries and finally use a large number in 'export HISTSIZE=<large_number>' i.e. 25000.

This will give you a large .bash_history file that you can search and back-up as needed.