如何在linux中安装node

pathmunge /usr/local/linuxNode/node-v16.18.0-linux-x64/bin after# /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 是Linux 函数  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 "$EUID" ]; then        # ksh workaround        EUID=`/usr/bin/id -u`        UID=`/usr/bin/id -ru`    fi    USER="`/usr/bin/id -un`"    LOGNAME=$USER    MAIL="/var/spool/mail/$USER"fi # Path manipulation #$EUID 是全局变量 判断用户是否具有权限if [ "$EUID" = "0" ]; then    pathmunge /usr/sbin    pathmunge /usr/local/sbinelse    pathmunge /usr/local/sbin after    pathmunge /usr/sbin afterfi HOSTNAME=`/usr/bin/hostname 2>/dev/null`HISTSIZE=1000if [ "$HISTCONTROL" = "ignorespace" ] ; then    export HISTCONTROL=ignorebothelse    export HISTCONTROL=ignoredupsfi #使用 pathmunge 函数 pathmunge /usr/local/linuxNode/node-v16.18.0-linux-x64/bin after 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 fileif [ $UID -gt 199 ] && [ "`/usr/bin/id -gn`" = "`/usr/bin/id -un`" ]; then    umask 002else    umask 022fi for i in /etc/profile.d/*.sh /etc/profile.d/sh.local ; do    if [ -r "$i" ]; then        if [ "${-#*i}" != "$-" ]; then             . "$i"        else            . "$i" >/dev/null        fi    fidone unset iunset -f pathmunge