zsh history is too short

Question

When I run history in Bash, I get a load of results (1000+). However, when I run history the zsh shell I only get 15 results. This makes grepping h

Answer 1

#set history size
export HISTSIZE=10000
#save history after logout
export SAVEHIST=10000
#history file
export HISTFILE=~/.zhistory
#append into history file
setopt INC_APPEND_HISTORY
#save only one command if 2 common are same and consistent
setopt HIST_IGNORE_DUPS
#add timestamp for each entry
setopt EXTENDED_HISTORY   

this is my setting, and it work