20 

    20 

    21 if command -v dircolors >/dev/null 2>&1 && [[ -f ~/.dircolors ]]; then

    21 if command -v dircolors >/dev/null 2>&1 && [[ -f ~/.dircolors ]]; then

    22   eval "`dircolors -b ~/.dircolors`"

    22   eval "`dircolors -b ~/.dircolors`"

    23 fi

    23 fi

    24 

    24 

    25 # Don't store duplicate adjacent items in the history.

    28 # Don't store duplicate adjacent items in the history.

    26 #   ignorespace     do not save lines that start with space

    29 #   ignorespace     do not save lines that start with space

    27 #   erasedups       all previous lines matching the current line to be removed from

    30 #   erasedups       all previous lines matching the current line to be removed from

    28 #                   the history list before that line is saved

    31 #                   the history list before that line is saved

    29 HISTCONTROL=ignorespace:erasedups

    32 HISTCONTROL=ignorespace:erasedups

    39 # To these options assigned default value, as they satisfy my needs I comment them.

    42 # To these options assigned default value, as they satisfy my needs I comment them.

    40 # HISTFILE=~/.bash_history  # where is command history stored

    43 # HISTFILE=~/.bash_history  # where is command history stored

    41 # HISTFILESIZE=500          # how many lines been in $HISTFILE

    44 # HISTFILESIZE=500          # how many lines been in $HISTFILE

    42 # HISTSIZE=500              # how many lines been stored in bash process

    45 # HISTSIZE=500              # how many lines been stored in bash process

    43 

    46 

    46 

    48 

    47 # Make Bash append rather than overwrite the history.

    49 # Make Bash append rather than overwrite the history.

    48 shopt -s histappend

    50 shopt -s histappend

    49 

    51 

    50 shopt -s histreedit

    52 shopt -s histreedit