XPost: comp.unix.shell   
   From: 864-117-4973@kylheku.com   
      
   On 2023-06-15, Kenny McCormack  wrote:   
   > In article ,   
   > Ivan Shmakov   wrote:   
   > ...   
   >>	It's also possible to disable history substitution altogether   
   >>	with 'set +H'.   
   >>   
   >>	I believe this behavior is rather confusing to new users, and   
   >>	given that C-r (reverse-search-history) and cursor keys already   
   >>	offer a comparable feature, and one likely to fit better with   
   >>	user's prior experience at that, my suggestion would be to   
   >>	have it disabled by default.   
   >   
   > I agree.  The ! thing was brought over into bash from (t)csh and it is   
   > pretty universally a bad idea.   
      
   Do you remember There was a period in the 1990's when tcsh was widely   
   used?  It was popular among early Linux users, too. I remember   
   getting a default login shell as tcsh on some systems, having   
   to change it with chsh.   
      
   It hink this was a spill-over effect of csh use on proprietary Unix   
   systems; people coming from that finding an equivalent in tcsh.   
      
   Bash aping some tcsh features (even not so good ones) probably helped   
   wean people off that.   
      
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