console command history

mfv mfv at
Fri Oct 21 19:06:37 UTC 2016

> On Fri, 2016-10-21 at 13:13 Ernie Luzar <luzar722 at> wrote:
>jd1008 wrote:
>> What is your root's login shell?
>> On 10/21/2016 11:02 AM, Ernie Luzar wrote:  
>>> Hello List;
>>> After installing from scratch using cdrom.iso the console command 
>>> history is blank for user root. As I issue commands from the root 
>>> command line these commands get added to the history as one would 
>>> expect. After rebooting the system, root's history contains the 
>>> commands I issued before I rebooted the system, and any newly
>>> issued commands are added to the history as one would expect.
>>> Now here is the problem I am seeing. After any reboots the history 
>>> contains only the issued commands from the first boot after the 
>>> install from scratch. The history does not contain the commands
>>> issued before the last reboot.
>>> How can I configure the console command history for user root to be
>>> a rolling list of issued console commands that contain the history
>>> of the issued commands between 2 reboots, so after a reboot the
>>> history contains commands that were issued prior to the last reboot?
>>> Running 11.0 with sc console driver because vt does not have 
>>> copy-paste ability. This problem is also in 7.x 8.x 9.x and 10.x 
>>> series and now I need a resolution for this annoying tick.
>I use the system default csh
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Checkout the section "History substitution" in  csh(1).

It is possible to save and/or delete the history using various
settings. I found the following to be useful setting in the csh
configuration file:

set history  = 1000
set savehist = (1000 merge)

Cheers ...


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