相关错误
在网上搜索了类似的错误解决方法，错误虽然不同，但解决办法可以学习一下。
Centos命令行报bash:.....:command not found的解决办法
Uset: command not found
解决centos提示：-bash:man:command not found
我的错误
在CentOS中安装jdk时，
修改配置文件，输入命令 ：
修改完后重新编译，输入命令 ：
我的CentOS错误信息是：-bash:UNset: command not found
- -bash:UNset: command not found
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解决方法
最后发现了错误原因，将UNset 改为unset。
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这样就可以正确编译了。
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配置信息
/etc/profile中的信息
- # 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 [ $UID -gt 199 ] && [ "`id -gn`" = "`id -un`" ]; then
- umask 002
- else
- umask 022
- fi
-
- for i in /etc/profile.d/*.sh ; do
- if [ -r "$i" ]; then
- if [ "${-#*i}" != "$-" ]; then
- . "$i"
- else
- . "$i" >/dev/null 2>&1
- fi
- fi
- done
-
- unset i
- unset -f pathmunge
- export JAVA_HOME=/usr/local/src/java/jdk/jdk1.7.0_71
- export PATH=$PATH:$JAVA_HOME/bin
