如題，不小心把內容刪光了，后來我問別人要了profile文件黏貼進去，執行 source profile文件的時候報錯了，這個是別人給的profile內容下面的圖是報錯的

?#?/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?[?"$2"?=?"after"?]?;?then
????????????????PATH=$PATH:$1
????????????else
????????????????PATH=$1:$PATH
????????????fi
????esac
}


if?[?-x?/usr/bin/id?];?then
????if?[?-z?"$EUID"?];?then
????????#?ksh?workaround
????????EUID=`id?-u`
????????UID=`id?-ru`
????fi
????USER="`id?-un`"
????LOGNAME=$USER
????MAIL="/var/spool/mail/$USER"
fi

#?Path?manipulation
if?[?"$EUID"?=?"0"?];?then
????pathmunge?/sbin
????pathmunge?/usr/sbin
????pathmunge?/usr/local/sbin
else
????pathmunge?/usr/local/sbin?after
????pathmunge?/usr/sbin?after
????pathmunge?/sbin?after
fi

HOSTNAME=`/bin/hostname?2>/dev/null`
HISTSIZE=1000
if?[?"$HISTCONTROL"?=?"ignorespace"?]?;?then
????export?HISTCONTROL=ignoreboth
else
????export?HISTCONTROL=ignoredups
fi

export?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?]?&&?[?"`id?-gn`"?=?"`id?-un`"?];?then
????umask?002
else
????umask?022
fi

#?/usr/share/doc/setup-*/uidgid?file
if?[?$UID?-gt?199?]?&&?[?"`id?-gn`"?=?"`id?-un`"?];?then
????umask?002
else
????umask?022
fi

for?i?in?/etc/profile.d/*.sh?;?do
????if?[?-r?"$i"?];?then
????????if?[?"${-#*i}"?!=?"$-"?];?then
????????????.?"$i"
????????else
????????????.?"$i"?>/dev/null?2>&1
????????fi
????fi
done

unset?i
unset?pathmunge
JAVA_HOME=/opt/jdk1.8.0_65
JRE_HOME=$JAVA_HOME/jre
JAVA_BIN=$JAVA_HOME/bin
JRE_BIN=$JRE_HOME/bin

PATH=$JAVA_BIN:JRE_BIN:$PATH
export?JAVA_HOME?JRE_HOME?PATH

我在想是不是這個問題，配置太多次了。。。要怎么編輯呢，用

$ PATH=$PATH:/usr/local/bin這個方法無效啊