5.¸³ÓèËùÓÐÓû§¶ÁºÍдbackup.tar.gzÎļþµÄȨÏÞ£º ²Î¿¼´ð°¸£º
1.find /home ¨Cname .profile £exec rm{ } \\; 2.tar -xzvf test.tar.gz
3.rpm ¨CUvh wu-ftpd-2.6.2-8.i386.rpm
4.useradd ¨Cg stuff ¨CG stuff -d /home/user2 -s /bin/bash user02 5.Chmod a+rw back.tar.gz
4. ÐðÊöLinuxÈçºÎʹÓÃWindowsϵͳӲÅÌ£¨É豸ÃûΪ/dev/hda3£¬·ÖÇøÀàÐÍΪfat32»òext3,Ñ¡ÆäÒ»£©ÉϵÄÎļþ£¬ÈçºÎʵÏÖ¿ª»ú×Ô¶¯¹ÒÔØ¸ÃÓ²ÅÌ·ÖÇø¡£Ð´³öÏêϸµÄ²½Öè¡££¨12·Ö ÿµã2·Ö£©
´ð°¸ÒÔfat32ΪÀý£º
£¨1£© ÓÃfdisk -l /dev/had ÃüÁî²é¿´Ó²ÅÌ·ÖÇøÖÐÇé¿ö¼°ÎļþϵͳÇé¿ö£¬¾ö¶¨Òª¹Ò×°Windows·ÖÇø
£¨2£© ½¨Á¢¹ÒװĿ¼ mkdir /mnt/dos
£¨3£© ¹Ò×°Windowsϵͳ mount ¨Ct vfat /dev/had/ /mnt/dos £¨4£© ä¯ÀÀWindowsÎļþϵͳ ls /mnt/dos £¨5£© Ð¶ÔØ£ºumount /mnt/dos £¨6£© ´ò¿ª/etc/fstab Ìí¼ÓÒ»ÐÐ
/dev/hda3 /mnt/hd vfat defaults 0 0
5. LinuxϵͳÓм¸ÖÖÀàÐÍÎļþ£¿ËüÃÇ·Ö±ðÊÇʲô£¿ÓÐÄÄЩÏàͬµãºÍ²»Í¬µã£¿ £¨8·Ö£© ´ð£º3Àà¡£·Ö±ðÊÇÆÕͨÎļþ£¬Ä¿Â¼ÎļþºÍÉ豸Îļþ¡££¨3·Ö£© ÏàͬÊÇËüÃǶ¼ÊÇÎļþ£¬¶¼ÓÐÒ»¸öÎļþÃûºÍi½ÚµãºÅ¡££¨2·Ö£©
²»Í¬µãÊÇ£¬ÆÕͨÎļþµÄÄÚÈÝΪÊý¾Ý£¬Ä¿Â¼ÎļþµÄÄÚÈÝΪĿ¼Ïî»òÎļþÃûÓëi½Úµã¶ÔÓ¦±í£¬É豸Îļþ²»Õ¼ÓôÅÅ̿ռ䣬ͨ¹ýÆäi½ÚµãÐÅÏ¢¿É½¨Á¢ÓëÄÚºËÇý¶¯³ÌÐòµÄÁªÏµ¡££¨3·Ö£©
6. ×ÛÊöLinuxϵͳµÄÎļþȨÏÞ¼°Æä¹ÜÀí¡£ £¨8·Ö£©
´ð£ºLinuxÓÃÎļþ´æÈ¡¿ØÖƱíÀ´½â¾ö´æÈ¡È¨Ï޵ĿØÖÆÎÊÌâ¡£´æÈ¡¿ØÖƱíÒÔÎļþΪµ¥Î»£¬°ÑÓû§°´Ä³ÖÖ¹ØÏµ»·ÖΪÈô¸É×飬ͬʱ¹æ¶¨Ã¿×éÓû§µÄ´æÈ¡È¨ÏÞ¡£Ã¿¸öÎļþ¶¼ÓÐÒ»ÕÅ´æÈ¡¿ØÖÆ±í¡£ÔÚʵÏÖʱ£¬¸Ã±í´æ·ÅÔÚÎļþ˵Ã÷ÖУ¬Ò²¾ÍÊÇi½ÚµãµÄÎļþȨÏÞÏî¡£ £¨4·Ö£©
¾Íij¸öÎļþ¶øÑÔ£¬ËüÖ»¶ÔÈýÀàÓû§£¨ÎļþÖ÷£¬Í¬×éÈË£¬ÆäËüÈË£©·ÖÅäȨÏÞ¡£È¨ÏÞµÄÐ޸Ļò·ÖÅä¿Éͨ¹ýÃüÁîchmodÀ´ÊµÏÖ¡£µ±È»chmodºÍchgrpµÈÃüÁîÒ²ÓÐ×ÅȨÏÞ¿ØÖÆ×÷Óã¬ÒòΪÎļþµÄÖ÷ºÍ×é±äÁË£¬ËüÏàÓ¦µÄȨÏÞÒ²»áËæÖ®¸Ä±ä¡££¨4·Ö£©
7. Ö´ÐÐÃüÁî ls ¨Cl ʱ£¬Ä³ÏÔÈ磨8·Ö£©
-rw-r--r-- 1 chris chris 207 jul 20 11:58 mydata £¨1£©Óû§chris ¶Ô¸ÃÎļþ¾ßÓÐʲôȨÏÞ£¿
£¨2£©Ö´ÐÐÃüÁîuseradd Tomºó£¬Óû§Tom¶Ô¸ÃÎļþ¾ßÓÐʲôȨÏÞ£¿ £¨3£©ÈçºÎʹÈκÎÓû§¶¼¿ÉÒÔ¶ÁдִÐиÃÎļþ£¿ £¨4£©ÈçºÎ°Ñ¸ÃÎļþÊôÖ÷¸ÄΪÓû§root £¿ ´ð£º1 ¶Áд
2 Ö»¶Á
3 chmod 777 mydata 4 chown root mydata
8. ´ÓÄÚºËʵÏֵĽǶÈ˵Ã÷Linux½ø³Ì¹²ÏíÎļþµÄ·½Ê½ÓÐÄļ¸ÖÖ£¿¾ÙÀý˵Ã÷ʲôÇé¿öÏ»á²úÉú¶ÔÓ¦µÄ¹²ÏíÇé¿ö£¿ £¨5·Ö£©
´ð£º½ø³Ìͨ¹ý¶à¸öfile½á¹¹¹²ÏíÒ»¸öinode£¬½ø³Ì¹²ÏíÒ»¸öfile½á¹¹¡£
9. ijϵͳ¹ÜÀíÔ±ÐèÿÌì×öÒ»¶¨µÄÖØ¸´¹¤×÷£¬Çë°´ÕÕÏÂÁÐÒªÇ󣬱àÖÆÒ»¸ö½â¾ö ·½°¸£º £¨13·Ö£©
£¨1£©ÔÚÏÂÎç5 :50ɾ³ý/123Ŀ¼ÏµÄÈ«²¿×ÓĿ¼ºÍÈ«²¿Îļþ£»
£¨2£©´ÓÔç9:00¡«ÏÂÎç5:00ÿСʱ¶ÁÈ¡/456Ŀ¼ÏÂx1ÎļþÖÐÿÐеÚÒ»¸öÓòµÄÈ«²¿Êý¾Ý¼ÓÈëµ½/bakĿ¼ÏµÄbak01.txtÎļþÄÚ£»
£¨3£©Ã¿·êÐÇÆÚÒ»ÏÂÎç4:50½«/dataĿ¼ÏµÄËùÓÐĿ¼ºÍÎļþ¹éµµ²¢Ñ¹ËõΪÎļþ£ºbackup.tar.gz£»
£¨4£©ÔÚÏÂÎç4:55½«IDE½Ó¿ÚµÄCD-ROMÐ¶ÔØ£¨¼ÙÉèÉ豸ÃûΪhdc£©£» £¨5£©ÔÚÔ糿8:30ǰ¿ª»úºóÆô¶¯¡£ ½â¾ö·½°¸£º
£¨1£©ÓÃvi´´½¨±à¼Ò»¸öÃûΪprgxµÄcrontabÎļþ£»£¨2·Ö £© £¨2£©prgxÎļþµÄÄÚÈÝ£º
50 17 * * * rm -r /123/* £¨2·Ö £©
0 9-17/1 * * * cut -f1 /456/x1 >;>; /bak/bak01.txt£¨2·Ö £©
50 16 * * 1 tar zcvf backup.tar.gz /data £¨2·Ö £©
55 16 * * * umount /dev/hdc £¨2·Ö £©
£¨3£©Óɳ¬¼¶Óû§µÇ¼£¬ÓÃcrontabÖ´ÐÐ prgxÎļþÖеÄÄÚÈÝ£º root@xxx:#crontab prgx£»
ÔÚÿÈÕÔ糿8:30֮ǰ¿ª»úºó¼´¿É×Ô¶¯Æô¶¯cronta£¨3·Ö £©
10. ÔÚËùÓõÄLinuxϵͳÉÏ£¬¸ùĿ¼ÏÂÓÐÄÄЩÄÚÈÝ£¿¸÷×ԵŦÄÜÊÇʲô£¿£¨10·Ö£©
´ð£º /root £ºrootÓû§µÄhomeĿ¼£¬/dev£ºÉ豸Îļþ£¬/media:ýÌ壬/mnt:¹ÒÔØ£¬/usr:Óû§³ÌÐò£¬/bin:ϵͳӦÓóÌÐò,/user/bin:Óû§Ó¦ÓóÌÐò, /home:ÆäËûÓû§µÄ¼ÒĿ¼£¬/boot£ºÆô¶¯Îļþ£¬/lib£º¿âÎļþ¡£
µÚÆßÕÂ
1.±àдshell³ÌÐò£¬ÊµÏÖ×Ô¶¯É¾³ý50¸öÕʺŵŦÄÜ¡£ÕʺÅÃûΪstud1ÖÁstud50¡££¨10·Ö£© ´ð£º1.#!/bin/bash 1·Ö
2.i=1 1·Ö 3.whlie [$ -le 50] 2·Ö 4.do 1·Ö 5.userdel -r stud${i} 3·Ö 6.i=$(($i+1)) 1·Ö 7.done 1·Ö
2. ʲôÊÇλÖñäÁ¿£¿shellµÄ±äÁ¿ÀàÐÍÓÐÄÄЩÖÖ£¿£¨5·Ö£©
´ð£ºÎ»ÖñäÁ¿ÊÇÖ¸ÃüÁîÐÐÉÏ´«µÝ¸ø³ÌÐòµÄ²ÎÊý¡£1·Ö
Shell±äÁ¿¿ÉÒÔ·ÖΪ£ºÓû§×Ô¶¨Òå±äÁ¿¡¢»·¾³±äÁ¿¡¢Î»ÖñäÁ¿¡¢ÌØÊâ±äÁ¿£¨4·Ö£©
3. .Ë®ÏÉ»¨ÊýÖÁÉÙÒªÈýλÊý£¬ÏÂÃæÇëÓÃbash shellÇó 100 µ½ 999µÄË®ÏÉ»¨Êý³ÌÐò¡£10·Ö
#!/bin/bash
for (( a=1; a<10; a++ )) do
for (( b=0; b<10; b++ )) do
for (( c=0; c<10; c++ )) do
number1=$((a*100+b*10+c)) number2=$((a**3+b**3+c**3))
if [ $number1 -eq $number2 ]; then echo \ fi done done done 10·Ö
4. ʹÓÃforºÍwhileÓï¾ä±àдһ¸öShell³ÌÐò£¬ÊµÏÖ1-9µÄƽ·½Öµ¡£·Ö±ð±£´æÎļþÃûΪfor.sh£¬while.sh¡££¨10·Ö£©
#£¡/bin/bash
#this is a example for for 1' for num in 1 2 3 4 5 6 7 8 9 1' do
echo $numµÄƽ·½£º 1' espr $ num\\* $num 1' # { echo $numµÄƽ·½£º£»expr $num\\* $num; } 1'
done (5')
#£¡/bin/bash
#this is a example for while 1' # num=1
while [ $num -le 9 ] 1' do
echo $numµÄƽ·½ 1' expr $num \\* $num 1' # { echo $numµÄƽ·½£º£»expr $num\\* $num; } 1' expr $num=$num+1
done (5')
5. .±àдһ¸öshell½Å±¾£¬Äܹ»ÏÔʾÏÂÃæÐòÁеÄǰ25¸öÊý×Ö¡£0,1,1,2,3,5,8,13¡£¬Ç°¶þ¸öÊý×ÖÖ®ºÍΪµÚÈý¸öÊý×Ö£¬¼´ÖøÃûµÄFibonacciÐòÁС££¨10·Ö£©
#gedit shell.sh #!/bin/bash n=0
echo \ \m=1
echo \ \t=1 a=2
while [ $a -lt 25 ] do
t=$(expr $n + $m) echo \ \ a=$(expr $a + 1) n=$m m=$t done
# bash shell.sh
6. ±àдһ¸öShell½Å±¾£¬ËüÄܹ»ÏÔʾÏÂÃæÐòÁеÄǰ10¸öÊý×Ö£º0£¬1£¬1£¬2£¬3£¬5£¬8£¬13£¬¡£¡£¡££¨10·Ö£©
´ð°¸£º a=0 b=1
echo ¨Cn $a,$b for ((i=0;i<8;i++)) do
c=$((a+b)) a=$b b=$c
echo ¨Cn,$c