# .bashrc# User specific aliases and functionsalias rm='rm -i'
alias cp='cp -i'
alias mv='mv -i'# Source global definitions
if [ -f /etc/bashrc ]; then. /etc/bashrc
fi

# /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.# are we an interactive shell?
if [ "$PS1" ]; thenif [ -z "$PROMPT_COMMAND" ]; thencase $TERM inxterm*|vte*)if [ -e /etc/sysconfig/bash-prompt-xterm ]; thenPROMPT_COMMAND=/etc/sysconfig/bash-prompt-xtermelif [ "${VTE_VERSION:-0}" -ge 3405 ]; thenPROMPT_COMMAND="__vte_prompt_command"elsePROMPT_COMMAND='printf "\033]0;%s@%s:%s\007" "${USER}" "${HOSTNAME%%.*}" "${PWD/#$HOME/~}"'fi;;screen*)if [ -e /etc/sysconfig/bash-prompt-screen ]; thenPROMPT_COMMAND=/etc/sysconfig/bash-prompt-screenelsePROMPT_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;;esacfi# Turn on parallel historyshopt -s histappendhistory -a# Turn on checkwinsizeshopt -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
fiif ! shopt -q login_shell ; then # We're not a login shell# Need to redefine pathmunge, it get's undefined at the end of /etc/profile
    pathmunge () {case ":${PATH}:" in*:"$1":*);;*)if [ "$2" = "after" ] ; thenPATH=$PATH:$1elsePATH=$1:$PATHfiesac}# 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 fileif [ $UID -gt 199 ] && [ "`/usr/bin/id -gn`" = "`/usr/bin/id -un`" ]; thenumask 002elseumask 022fiSHELL=/bin/bash# Only display echos from profile.d scripts if we are no login shell# and interactive - otherwise just process them to set envvarsfor i in /etc/profile.d/*.sh; doif [ -r "$i" ]; thenif [ "$PS1" ]; then. "$i"else. "$i" >/dev/nullfifidoneunset iunset -f pathmunge
fi
# vim:ts=4:sw=4

# .bash_profile# Get the aliases and functions
if [ -f ~/.bashrc ]; then. ~/.bashrc
fi# User specific environment and startup programsPATH=$PATH:$HOME/binexport PATH

[root@ckl1 bashtest]# echo $HOME
/root

# /etc/profile# System wide environment and startup programs, for login setup
# Functions and aliases go in /etc/bashrc# 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.pathmunge () {case ":${PATH}:" in*:"$1":*);;*)if [ "$2" = "after" ] ; thenPATH=$PATH:$1elsePATH=$1:$PATHfiesac
}if [ -x /usr/bin/id ]; thenif [ -z "$EUID" ]; then# ksh workaroundEUID=`/usr/bin/id -u`UID=`/usr/bin/id -ru`fiUSER="`/usr/bin/id -un`"LOGNAME=$USERMAIL="/var/spool/mail/$USER"
fi# Path manipulation
if [ "$EUID" = "0" ]; thenpathmunge /usr/sbinpathmunge /usr/local/sbin
elsepathmunge /usr/local/sbin afterpathmunge /usr/sbin after
fiHOSTNAME=`/usr/bin/hostname 2>/dev/null`
HISTSIZE=1000
if [ "$HISTCONTROL" = "ignorespace" ] ; thenexport HISTCONTROL=ignoreboth
elseexport HISTCONTROL=ignoredups
fiexport PATH USER LOGNAME MAIL HOSTNAME HISTSIZE HISTCONTROL# By default, we want umask to get set. This sets it for 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 [ $UID -gt 199 ] && [ "`/usr/bin/id -gn`" = "`/usr/bin/id -un`" ]; thenumask 002
elseumask 022
fifor i in /etc/profile.d/*.sh ; doif [ -r "$i" ]; thenif [ "${-#*i}" != "$-" ]; then . "$i"else. "$i" >/dev/nullfifi
doneunset i
unset -f pathmunge#java environment
export JAVA_HOME=/usr/local/jdk1.8.0_161
export CLASSPATH=.:${JAVA_HOME}/jre/lib/rt.jar:${JAVA_HOME}/lib/dt.jar:${JAVA_HOME}/lib/tools.jar
export PATH=$PATH:${JAVA_HOME}/bin

# color-ls initialization# Skip all for noninteractive shells.
[ ! -t 0 ] && return#when USER_LS_COLORS defined do not override user LS_COLORS, but use them.
if [ -z "$USER_LS_COLORS" ]; thenalias ll='ls -l' 2>/dev/nullalias l.='ls -d .*' 2>/dev/nullINCLUDE=COLORS=for colors in "$HOME/.dir_colors.$TERM" "$HOME/.dircolors.$TERM" \"$HOME/.dir_colors" "$HOME/.dircolors"; do[ -e "$colors" ] && COLORS="$colors" && \INCLUDE="`/usr/bin/cat "$COLORS" | /usr/bin/grep '^INCLUDE' | /usr/bin/cut -d ' ' -f2-`" && \breakdone[ -z "$COLORS" ] && [ -e "/etc/DIR_COLORS.$TERM" ] && \COLORS="/etc/DIR_COLORS.$TERM"[ -z "$COLORS" ] && [ -e "/etc/DIR_COLORS.256color" ] && \[ "x`/usr/bin/tty -s && /usr/bin/tput colors 2>/dev/null`" = "x256" ] && \COLORS="/etc/DIR_COLORS.256color"[ -z "$COLORS" ] && [ -e "/etc/DIR_COLORS" ] && \COLORS="/etc/DIR_COLORS"# Existence of $COLORS already checked above.[ -n "$COLORS" ] || returnif [ -e "$INCLUDE" ];thenTMP="`/usr/bin/mktemp .colorlsXXX -q --tmpdir=/tmp`"[ -z "$TMP" ] && return/usr/bin/cat "$INCLUDE" >> $TMP/usr/bin/grep -v '^INCLUDE' "$COLORS" >> $TMPeval "`/usr/bin/dircolors --sh $TMP 2>/dev/null`"/usr/bin/rm -f $TMPelseeval "`/usr/bin/dircolors --sh $COLORS 2>/dev/null`"fi[ -z "$LS_COLORS" ] && return/usr/bin/grep -qi "^COLOR.*none" $COLORS >/dev/null 2>/dev/null && return
fiunset TMP COLORS INCLUDEalias ll='ls -l --color=auto' 2>/dev/null
alias l.='ls -d .* --color=auto' 2>/dev/null
alias ls='ls --color=auto' 2>/dev/null
(END)

View Code

[root@ckl1 bashtest]# less a.sh
#/bin/bashlogout

[root@ckl1 bashtest]# ./a.sh 

./a.sh: line 3: logout: not login shell: use `exit'

shopt -s expand_aliases

#/bin/bash
ls -lecho "ll "
source ~/.bashrcll

shopt -s expand_aliases