[Info-vax] Unix and DCL shells

bill bill.gunshannon at gmail.com
Mon Jan 8 20:20:39 EST 2024


On 1/8/2024 5:09 PM, Dan Cross wrote:
> In article <l037lbF2supU10 at mid.individual.net>,
> bill  <bill.gunshannon at gmail.com> wrote:
>> On 1/8/2024 4:14 PM, Dan Cross wrote:
>>> In article <unhkr1$1lj0v$1 at dont-email.me>, chrisq  <devzero at nospam.com> wrote:
>>>> On 1/8/24 19:02, mjos_examine wrote:
>>>>> On 2024-01-08 9:38 a.m., Arne Vajhøj wrote:
>>>>>>> On 2024-01-08 9:21 a.m., Simon Clubley wrote:
>>>>>>>>> Synchronised permanent storage of command history across sessions.
>>>>>>> Supports
>>>>>>> using multiple sessions at the same time and only writes the changes
>>>>>>> from
>>>>>>> that session to the history file.
>>>>>>
>>>>>> I usually just write a COM file if I want to preserve my commands.
>>>>>>
>>>>>> But other may like the history you propose.
>>>>>
>>>>> I have to agree that being able to up-arrow through commands done during
>>>>> my last session, whether 5 minutes, or 5 days, or 5 months later, can be
>>>>> very useful and convenient.
>>>>>
>>>>> Couple that with the sister-feature of being able to back-scroll through
>>>>> all the terminal output from the last session, and now you are really
>>>>> talking useful and convenient.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>> One of the most irritating things about working on terminal
>>>> based systems was the lack of command line recall. To be fair
>>>> though, early unix systems with csh or sh lacked that as well.
>>>> Solution here was to select tcsh, which did have command line recall
>>>> capability, even back in the early 1990's
>>>
>>> `csh` certainly had command history, though not "recall" in the
>>> sense of using an arror key or ^P or something to bring a
>>> previously executed back back to the prompt for editing.  Korn's
>>> shell had similar functionality, and various people hacked it
>>> into `sh` at different times.
>>
>> I use the arrow keys all the time in csh.  Been doing that
>> since at least the SunOS days.  Don't remember if Ultrix
>> even had csh.  Guess I should check.
> 
> Unlikely.  Tcsh, sure, but not /bin/csh.
> 
> Ultrix had csh.

I just checked.  No arrow keys in Ultrix-11.  I wonder if
BSD2.11 had it?  But most  likely FreeBSD which I have used since it's
inception.

bill





More information about the Info-vax mailing list