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1.ʹÓÃÃüÁîechoÏÔʾ»·¾³±äÁ¿
±¾ÀýʹÓÃechoÏÔʾ³£¼ûµÄ±äÁ¿HOME
$ echo $HOME
/home/kevin
2.ÉèÖÃÒ»¸öÐµĻ·¾³±äÁ¿
$ export MYNAME=”my name is kevin”
$ echo $ MYNAME
my name is Kevin
3.ÐÞ¸ÄÒÑ´æÔڵĻ·¾³±äÁ¿
½ÓÉϸöʾÀý
$ MYNAME=”change name to jack”
$ echo $MYNAME
change name to jack
4.ʹÓÃenvÃüÁîÏÔʾËùÓеĻ·¾³±äÁ¿
$ env
HOSTNAME=localhost.localdomain
SHELL=/bin/bash
TERM=xterm
HISTSIZE=1000
SSH_CLIENT=192.168.136.151 1740 22
QTDIR=/usr/lib/qt-3.1
SSH_TTY=/dev/pts/0
……
5.ʹÓÃsetÃüÁîÏÔʾËùÓб¾µØ¶¨ÒåµÄShell±äÁ¿
$ set
BASH=/bin/bash
BASH_ENV=/root/.bashrc
……
6.ʹÓÃunsetÃüÁîÀ´Çå³ý»·¾³±äÁ¿
$ export TEMP_KEVIN=”kevin”     #Ôö¼ÓÒ»¸ö»·¾³±äÁ¿TEMP_KEVIN
$ env | grep TEMP_KEVIN&n


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Linux ÄÚºËÌåϵ¼ò½é¡¾×ª¡¿

1.Linux Äں˼ò½é ÏÖÔÚÈÃÎÒÃÇ´ÓÒ»¸ö±È½Ï¸ßµÄ¸ß¶ÈÀ´ÉóÊÓһϠGNU/Linux ²Ù×÷ϵͳµÄÌåϵ½á¹¹¡£Äú¿ÉÒÔ´ÓÁ½¸ö²ã´ÎÉÏÀ´¿¼ÂDzÙ×÷ϵͳ£¬Èçͼ 1 Ëùʾ¡£ ͼ 1. GNU/Linux ²Ù×÷ϵͳµÄ»ù±¾Ìåϵ½á¹¹ ×îÉÏÃæÊÇÓû§£¨»òÓ¦ÓóÌÐò£©¿Õ¼ä¡£ÕâÊÇÓû§Ó¦ÓóÌÐòÖ´Ðеĵط½¡£Óû§¿Õ¼äÖ®ÏÂÊÇÄں˿ռ䣬Linux ÄÚºËÕýÊÇλÓÚÕâÀï¡£ GNU C Lib ......

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struct mntent {
char *mnt_fsname; /* ¹ÒÔØµÄÎļþϵͳµÄÃû×Ö */
char *mnt_dir; /* ¹ÒÔØµã */
char *mnt_type; /* ÎļþϵͳÀàÐÍ£ºufs¡¢nfs µÈ */
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LinuxÍøÇŵÄʵÏÖ·ÖÎö

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