쉘프로그래밍강좌008: 리눅스의 모든 사용자들의 시스템 사용환경설정을 위한 /etc/bashrc파일의 용도와 기능

[root@RockyLinux01 ~]# cat /etc/bashrc

# /etc/bashrc

# System wide functions and aliases

# Environment stuff goes in /etc/profile

# It's NOT a good idea to change this file unless you know what you

# are doing. It's much better to create a custom.sh shell script in

# /etc/profile.d/ to make custom changes to your environment, as this

# will prevent the need for merging in future updates.

# Prevent doublesourcing

if [ -z "$BASHRCSOURCED" ]; then

  BASHRCSOURCED="Y"

  # are we an interactive shell?

  if [ "$PS1" ]; then

    if [ -z "$PROMPT_COMMAND" ]; then

      case $TERM in

      xterm*|vte*)

        if [ -e /etc/sysconfig/bash-prompt-xterm ]; then

            PROMPT_COMMAND=/etc/sysconfig/bash-prompt-xterm

        else

            PROMPT_COMMAND='printf "\033]0;%s@%s:%s\007" "${USER}" "${HOSTNAME%%.*}" "${PWD/#$HOME/\~}"'

        fi

        ;;

      screen*)

        if [ -e /etc/sysconfig/bash-prompt-screen ]; then

            PROMPT_COMMAND=/etc/sysconfig/bash-prompt-screen

        else

            PROMPT_COMMAND='printf "\033k%s@%s:%s\033\\" "${USER}" "${HOSTNAME%%.*}" "${PWD/#$HOME/\~}"'

        fi

        ;;

      *)

        [ -e /etc/sysconfig/bash-prompt-default ] && PROMPT_COMMAND=/etc/sysconfig/bash-prompt-default

        ;;

      esac

    fi

    # Turn on parallel history

    shopt -s histappend

    history -a

    # Turn on checkwinsize

    shopt -s checkwinsize

    [ "$PS1" = "\\s-\\v\\\$ " ] && PS1="[\u@\h \W]\\$ "

    # You might want to have e.g. tty in prompt (e.g. more virtual machines)

    # and console windows

    # If you want to do so, just add e.g.

    # if [ "$PS1" ]; then

    #   PS1="[\u@\h:\l \W]\\$ "

    # fi

    # to your custom modification shell script in /etc/profile.d/ directory

  fi

  if ! shopt -q login_shell ; then # We're not a login shell

    # Need to redefine pathmunge, it gets undefined at the end of /etc/profile

    pathmunge () {

        case ":${PATH}:" in

            *:"$1":*)

                ;;

            *)

                if [ "$2" = "after" ] ; then

                    PATH=$PATH:$1

                else

                    PATH=$1:$PATH

                fi

        esac

    }

    # By default, we want umask to get set. This sets it for non-login shell.

    # Current threshold for system reserved uid/gids is 200

    # You could check uidgid reservation validity in

    # /usr/share/doc/setup-*/uidgid file

    if [ $UID -gt 199 ] && [ "`/usr/bin/id -gn`" = "`/usr/bin/id -un`" ]; then

       umask 002

    else

       umask 022

    fi

    SHELL=/bin/bash

    # Only display echos from profile.d scripts if we are no login shell

    # and interactive - otherwise just process them to set envvars

    for i in /etc/profile.d/*.sh; do

        if [ -r "$i" ]; then

            if [ "$PS1" ]; then

                . "$i"

            else

                . "$i" >/dev/null

            fi

        fi

    done

    unset i

    unset -f pathmunge

  fi

fi

# vim:ts=4:sw=4

[root@RockyLinux01 ~]#

[root@RockyLinux01 ~]# cat /home/sspark/.bashrc

# .bashrc

# Source global definitions

if [ -f /etc/bashrc ]; then

        . /etc/bashrc

fi

# User specific environment

if ! [[ "$PATH" =~ "$HOME/.local/bin:$HOME/bin:" ]]

then

    PATH="$HOME/.local/bin:$HOME/bin:$PATH"

fi

export PATH

# Uncomment the following line if you don't like systemctl's auto-paging feature:

# export SYSTEMD_PAGER=

# User specific aliases and functions

if [ -d ~/.bashrc.d ]; then

        for rc in ~/.bashrc.d/*; do

                if [ -f "$rc" ]; then

                        . "$rc"

                fi

        done

fi

unset rc

[root@RockyLinux01 ~]#