| ... | ... | 
                    @@ -1,7 +1,7 @@  | 
            
| 1 | 1 | 
                    ## Command history configuration  | 
            
| 2 | 2 | 
                    HISTFILE=$HOME/.zsh_history  | 
            
| 3 | 
                    -HISTSIZE=10000  | 
            |
| 4 | 
                    -SAVEHIST=10000  | 
            |
| 3 | 
                    +HISTSIZE=100000  | 
            |
| 4 | 
                    +SAVEHIST=100000  | 
            |
| 5 | 5 | 
                     | 
            
| 6 | 6 | 
                    setopt hist_ignore_dups # ignore duplication command history list  | 
            
| 7 | 7 | 
                    setopt share_history # share command history data  | 
            
| ... | ... | 
                    @@ -11,6 +11,7 @@ setopt inc_append_history  | 
            
| 11 | 11 | 
                    setopt extended_history  | 
            
| 12 | 12 | 
                    setopt hist_expire_dups_first  | 
            
| 13 | 13 | 
                    setopt hist_ignore_space  | 
            
| 14 | 
                    +setopt hist_reduce_blanks  | 
            |
| 14 | 15 | 
                     | 
            
| 15 | 16 | 
                    setopt SHARE_HISTORY  | 
            
| 16 | 17 | 
                    setopt APPEND_HISTORY  |