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Old 03-02-2010, 06:32 AM   #1
sangupari
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Registered: Mar 2010
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history clearance for a particular history number in linux


hi
history -c will clear the previous history.
~.bash_history will contain the history commands
I want to know how to delete the particular history using the history number.
For eg:
.
.
.
440 cd
441 ls
442 history

then to delete the 440 th history how can i do it from the command line
 
Old 03-02-2010, 06:53 AM   #2
neonsignal
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You can use the '-d' flag
Code:
history -d 440

Last edited by neonsignal; 03-02-2010 at 06:55 AM.
 
Old 03-03-2010, 02:57 AM   #3
sangupari
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thnx neon
how to delete a specific range of history?

from 440 to 442
the history has to be deleted...how to do that?
 
Old 03-03-2010, 03:08 AM   #4
neonsignal
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Quote:
from 440 to 442
the history has to be deleted...how to do that?
Code:
for i in {442..440}; do history -d $i; done
(note that the deletion is done in reverse)
 
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