## Command history configuration
HISTFILE=$ZSH_DATA/histfile
-HISTSIZE=10000
-SAVEHIST=10000
+HISTSIZE=120000 # should be larger than SAVEHIST, see HIST_EXPIRE_DUPS_FIRST in zshall(1)
+SAVEHIST=100000
setopt extended_history
setopt hist_expire_dups_first