魔磁>物理教具制作
由于之前执行过：echo 'ami.html' target='_blank'>whoami` ' /etc/pro 谁知到 导致/etc/profile中的文件内容全没了，只剩下导入的这条： export HISTTIMEFORMAT= %F %T `whoami` 记录如下： [root@lvs2 ~] [root@lvs2 ~] ll -bash: ll: command not found [root@lvs2 ~] 1.txt install.log keepaliv-1.2.2 network-conf anaconda-ks.cfg install.log.syslog keepalived-1.2. [root@lvs2 ~] vi /etc/profile /etc/profile System we environment and startup programs, for login tions and es go in /etc/bashrc It's NOT good idea to change this file un you know what you are doing. Much better way is to create custom.sh shell script in /etc/profile.d/ to make custom changes to environment. This will prevent need for merging in future ups. 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/ 电动加油泵>三排键hostname 2 /dev/null` HISTSIZE=1000 if [ $HISTCONTROL = ignorespace ] ; then export HISTCONTROL=ignoreboth else export HISTCONTROL=ignoreps fi export PATH USER LOGNAME MAIL HOSTNAME HISTSIZE HISTCONTROL for i in /etc/profile.d/*.sh ; do if [ -r $i ]; then if [ $PS1 ]; then . $i else . $i /dev/null 2 1 fi fi done i unset pathmunge LD_LIBRARY_PATH=/usr/lib:$LD_LIBRARY_PATH export LD_LIBRARY_PATH export HISTTIMEFORMAT= %F %T `whoami` /etc/profile 74L, 1568C written [root@lvs2 ~] ll -bash: ll: command not found [root@lvs2 ~] source /etc/profile [root@lvs2 ~] ll 婊绋?288 -rw-r--r-- 1 root root 16860 11?16 19: -rw-------. 1 root root 1334 11?12 13:05 anaconda-ks.cfg -rw-r--r--. 1 root root 7934 11?12 13:05 install.log -rw-r--r--. 1 root root 2964 11?12 13:04 install.log.syslog drwxr-xr-x 7 1000 1000 4096 11?12 16:22 keepalived-1.2.2 -rw-r--r-- 1 root root 249557 1?17 2011 keepalived-1.2. drwxr-xr-x 2 root root 4096 11?12 15:15 network-conf [root@lvs2 ~]制备乙酸乙酯的装置
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