random linux skill note(Linux 命令參考)

轉載自:http://www.oschina.net/code/snippet_104837_22165

tips = new Array(222);code = new Array(222);tips[0] = '查看軟體xxx安裝內容';code[0] = 'dpkg -L xxx';tips[1] = '尋找軟體庫中的軟體';code[1] = 'apt-cache search Regex';tips[2] = '尋找軟體庫中的軟體';code[2] = 'aptitude search 軟體包';tips[3] = '尋找檔案屬於哪個包';code[3] = 'dpkg -S filename';tips[4] = '尋找檔案屬於哪個包';code[4] = 'apt-file search filename';tips[5] = '查詢軟體xxx依賴哪些包';code[5] = 'apt-cache depends xxx';tips[6] = '查詢軟體xxx被哪些包依賴';code[6] = 'apt-cache rdepends xxx';tips[7] = '增加一個光碟片源';code[7] = 'sudo apt-cdrom add';tips[8] = "系統升級";code[8] = 'sudo apt-get update;sudo apt-get dist-upgrade';tips[9] = "清除已刪除包的殘餘設定檔";code[9] = "dpkg -l |grep ^rc|awk '{print $2}' |sudo xargs dpkg -P";tips[10] = '編譯時間缺少h檔案的自動處理';code[10] = 'sudo auto-apt run ./configure';tips[11] = "查看安裝軟體時下載包的臨時存放目錄";code[11] = "ls /var/cache/apt/archives";tips[12] = "備份當前系統安裝的所有包的列表";code[12] = "dpkg --get-selections | grep -v deinstall > ~/somefile";tips[13] = "從備份的安裝包的列表檔案恢複所有包";code[13] = "dpkg --set-selections < ~/somefile;sudo dselect";tips[14] = "清理舊版本的軟體緩衝";code[14] = "sudo apt-get autoclean";tips[15] = "清理所有軟體緩衝";code[15] = "sudo apt-get clean";tips[16] = "刪除系統不再使用的孤立軟體";code[16] = "sudo apt-get autoremove";tips[17] = "查看包在伺服器上面的地址";code[17] = "apt-get -qq --print-uris install ssh | cut -d\\' -f2";tips[18] = "查看核心";code[18] = "uname -a";tips[19] = "查看Ubuntu版本";code[19] = "cat /etc/issue 或 lsb_release -a";tips[20] = "查看核心載入的模組";code[20] = "lsmod";tips[21] = "查看PCI裝置";code[21] = "lspci";tips[22] = "查看USB裝置";code[22] = "lsusb -v";tips[23] = "查看網卡狀態";code[23] = "sudo ethtool eth0";tips[24] = "查看CPU資訊";code[24] = "cat /proc/cpuinfo";tips[25] = "顯示當前硬體資訊";code[25] = "sudo lshw";tips[26] = "顯示系統已耗用時間";code[26] = "uptime";tips[27] = "查看硬碟的分區";code[27] = "sudo fdisk -l";tips[28] = "硬碟分區";code[28] = "sudo fdisk /dev/sda";tips[29] = "硬碟格式化";code[29] = "sudo mkfs.ext3 /dev/sda1";tips[30] = "硬碟檢查(請不要檢查已經掛載的分區，否則容易損壞資料)";code[30] = "sudo fsck /dev/sda1";tips[31] = "分區掛載";code[31] = "sudo mount -t 檔案系統類型 (-o nls=utf8 或 -o iocharset=utf8) 裝置路經 訪問路經 ";tips[32] = "分區卸載";code[32] = "sudo umount 目錄名或裝置名稱";tips[33] = "查看IDE硬碟資訊";code[33] = "sudo hdparm -i /dev/hda";tips[34] = "查看STAT硬碟資訊 ";code[34] = "sudo hdparm -I /dev/sda 或 sudo blktool /dev/sda id";tips[35] = "查看硬碟剩餘空間";code[35] = "df";tips[36] = "查看目錄佔用空間";code[36] = "du -hs 目錄名";tips[37] = "優盤沒法卸載";code[37] = "sync;fuser -km /media/usbdisk";tips[38] = "查看硬碟當前讀寫情況";code[38] = "sudo iostat -x 2";tips[39] = "查看當前的記憶體使用量情況";code[39] = "free";tips[40] = "動態顯示進程執行情況";code[40] = "top";tips[41] = "查看當前有哪些進程";code[41] = "ps -A";tips[42] = "查看當前進程樹";code[42] = "pstree";tips[43] = "中止一個進程";code[43] = "kill 進程號 或 killall 進程名";tips[44] = "強制中止一個進程";code[44] = "kill -9 進程號 或 killall -9 進程名";tips[45] = "圖形方式中止一個程式";code[45] = "xkill 出現骷髏標誌的滑鼠，點擊需要中止的程式即可";tips[46] = "查看進程開啟的檔案";code[46] = "lsof -p";tips[47] = "顯示開啟檔案abc.txt的進程 ";code[47] = "lsof abc.txt ";tips[48] = "顯示22連接埠現在運行什麼程式 ";code[48] = "lsof -i :22 ";tips[49] = "顯示nsd進程現在開啟的檔案 ";code[49] = "lsof -c nsd";tips[50] = "在後台運行程式，退出登入後，並不結束程式 ";code[50] = "nohup 程式 &";tips[51] = "詳細顯示程式的運行資訊 ";code[51] = "strace -f -F -o outfile <cmd>";tips[52] = "增加系統最大開啟檔案個數";code[52] = "ulimit -n 4096 或 echo 4096 > /proc/sys/fs/file-max";tips[53] = "配置 ADSL ";code[53] = "sudo pppoeconf";tips[54] = "ADSL手工撥號";code[54] = "sudo pon dsl-provider";tips[55] = "啟用 ADSL";code[55] = "sudo /etc/ppp/pppoe_on_boot";tips[56] = "斷開 ADSL ";code[56] = "sudo poff";tips[57] = "查看撥號日誌";code[57] = "sudo plog";tips[58] = "如何設定動態網域名稱";code[58] = "w3m -no-cookie -dump 'http://usere:pass@members.3322.org/dyndns/update?system=dyndns&hostname=yourdns.3322.org'";tips[59] = "根據IP查網卡地址 ";code[59] = "arping IP地址";tips[60] = "根據IP查電腦名 ";code[60] = "nmblookup -A IP地址";tips[61] = "查看當前IP地址 ";code[61] = "ifconfig eth0 |awk '/inet/ {split($2,x,\":\");print x[2]}'";tips[62] = "查看當前外網的IP地址 ";code[62] = "w3m -no-cookie -dump www.123cha.com|grep -o '[0-9]\\{1,3\\}\\.[0-9]\\{1,3\\}\\.[0-9]\\{1,3\\}\\.[0-9]\\{1,3\\}'";tips[63] = "查看當前監聽80連接埠的程式 ";code[63] = "lsof -i :80";tips[64] = "查看當前網卡的物理地址";code[64] = "arp -a | awk '{print $4}'";tips[65] = "同一個網卡增加第二個IP地址 ";code[65] = "sudo ifconfig eth0:0 1.2.3.4 netmask 255.255.255.0";tips[66] = "立即讓網路支援nat ";code[66] = "echo 1 | sudo tee /proc/sys/net/ipv4/ip_forward; sudo iptables -t nat -I POSTROUTING -j MASQUERADE ";tips[67] = "查看路由資訊";code[67] = "netstat -rn 或 sudo route -n";tips[68] = "手工增加一條路由 ";code[68] = "sudo route add -net 192.168.0.0 netmask 255.255.255.0 gw 172.16.0.1";tips[69] = "手工刪除一條路由";code[69] = "sudo route del -net 192.168.0.0 netmask 255.255.255.0 gw 172.16.0.1";tips[70] = "修改網卡MAC地址的方法 ";code[70] = "sudo ifconfig eth0 hw ether 00:AA:BB:CC:DD:EE";tips[71] = "統計當前IP串連的個數 ";code[71] = "netstat -na|grep ESTABLISHED|awk '{print $5}'|awk -F: '{print $1}'|sort|uniq -c|sort -r -n";tips[72] = "屏蔽IPV6 ";code[72] = "echo 'blacklist ipv6' | sudo tee /etc/modprobe.d/blacklist-ipv6";tips[73] = "察看當前網路連接狀況以及程式 ";code[73] = "sudo netstat -atnp";tips[74] = "查看ADSL的當前流量";code[74] = "sudo ethstatus -i ppp0";tips[75] = "查看網域名稱的註冊備案情況";code[75] = "whois baidu.cn";tips[76] = "查看到某一個網域名稱的路由情況";code[76] = "tracepath baidu.cn";tips[77] = "重新從伺服器獲得IP地址 ";code[77] = "sudo dhclient";tips[78] = "下載網站文檔";code[78] = "wget -r -p -np -k http://www.xxx.com";tips[79] = "如何5個線程下載";code[79] = "axel -n 5 http://www.xxx.com/downloadfile.zip";tips[80] = "添加一個服務";code[80] = "sudo update-rc.d 服務名 defaults 99";tips[81] = "刪除一個服務 ";code[81] = "sudo update-rc.d 服務名 remove";tips[82] = "臨時重啟一個服務";code[82] = "/etc/init.d/服務名 restart";tips[83] = "臨時關閉一個服務";code[83] = "/etc/init.d/服務名 stop";tips[84] = "臨時啟動一個服務";code[84] = "/etc/init.d/服務名 start";tips[85] = "增加使用者";code[85] = "sudo adduser 使用者名稱";tips[86] = "刪除使用者";code[86] = "sudo deluser 使用者名稱";tips[87] = "修改目前使用者的密碼";code[87] = "passwd";tips[88] = "修改使用者密碼";code[88] = "sudo passwd 使用者名稱";tips[89] = "修改使用者資料";code[89] = "sudo chfn userid";tips[90] = "如何禁用某個帳戶";code[90] = "sudo usermod -L 使用者名稱 或 sudo passwd -l 使用者名稱";tips[91] = "如何啟用某個帳戶";code[91] = "sudo usermod -U 使用者名稱 或 sudo passwd -u 使用者名稱";tips[92] = "增加使用者到admin組";code[92] = "sudo usermod -G admin -a 使用者名稱";tips[93] = "配置預設Java使用哪個 ";code[93] = "sudo update-alternatives --config java";tips[94] = "終端設定代理 ";code[94] = "export http_proxy=http://xx.xx.xx.xx:xxx";tips[95] = "修改系統登入資訊";code[95] = "sudo vim /etc/motd";tips[96] = "使用sun的java編譯器";code[96] = "sudo update-java-alternatives -s java-6-sun";tips[97] = "切換IME引擎";code[97] = "im-switch -c";tips[98] = "轉換檔名由GBK為UTF8 ";code[98] = "convmv -r -f cp936 -t utf8 --notest --nosmart *";tips[99] = "轉換檔內容由GBK到UTF8 ";code[99] = "iconv -f gbk -t utf8 $i > newfile";tips[100] = "轉換 mp3 標籤編碼 ";code[100] = "sudo apt-get install python-mutagen;find . -iname '*.mp3' -execdir mid3iconv -e GBK {} \\;";tips[101] = "控制台下顯示中文 ";code[101] = "sudo apt-get install zhcon;zhcon --utf8 --drv=vga";tips[102] = "lftp 登入遠程Windows中文FTP　";code[102] = "lftp :~>set ftp:charset GBK";tips[103] = "PDF 檔案亂碼 ";code[103] = "sudo apt-get install xpdf-chinese-simplified xpdf-chinese-traditional poppler-data";tips[104] = "一屏查看檔案內容 ";code[104] = "cat 檔案名稱";tips[105] = "分頁查看檔案內容";code[105] = "more 檔案名稱";tips[106] = "可控分頁查看檔案內容";code[106] = "less 檔案名稱";tips[107] = "根據字串匹配來查看檔案部分內容";code[107] = "grep 字串 檔案名稱";tips[108] = "顯示包含字串的檔案名稱";code[108] = "grep -l -r 字串 路徑";tips[109] = "顯示不包含字串的檔案名稱";code[109] = "grep -L -r 字串 路徑";tips[110] = "快速尋找某個檔案";code[110] = "find 目錄 -name 檔案名稱";tips[111] = "建立兩個空檔案";code[111] = "touch file1 file2";tips[112] = "遞迴式建立一些嵌套目錄";code[112] = "mkdir –p /tmp/xxs/dsd/efd";tips[113] = "遞迴式刪除嵌套目錄";code[113] = "rm –fr /tmp/xxs";tips[114] = "回目前使用者的宿主目錄";code[114] = "cd ~";tips[115] = "查看當前所在目錄的絕對路經";code[115] = "pwd";tips[116] = "列出目前的目錄下的所有檔案";code[116] = "ls -a";tips[117] = "移動路徑下的檔案並改名";code[117] = "mv 路徑/檔案  /新路徑/新檔案名稱";tips[118] = "複製檔案或者目錄";code[118] = "cp -av 原檔案或原目錄 新檔案或新目錄";tips[119] = "查看檔案類型";code[119] = "file filename";tips[120] = "對比兩個檔案之間的差異";code[120] = "diff file1 file2";tips[121] = "顯示xxx檔案倒數6行的內容 ";code[121] = "tail -n 6 xxx";tips[122] = "不停地顯示最新的內容 ";code[122] = "tail -n 10 -f /var/log/apache2/access.log";tips[123] = "查看檔案第五行到第10行的內容 ";code[123] = "sed -n '5,10p' /var/log/apache2/access.log";tips[124] = "尋找關於xxx的命令 ";code[124] = "apropos xxx 或 man -k xxx";tips[125] = "通過ssh傳輸檔案 ";code[125] = "scp -rp /path/filename username@remoteIP:/path ";tips[126] = "把所有檔案的後輟由rm改為rmvb ";code[126] = "rename 's/.rm$/.rmvb/' *";tips[127] = "把所有檔案名稱中的大寫改為小寫";code[127] = "rename 'tr/A-Z/a-z/' *";tips[128] = "刪除特殊檔案名稱 --help.txt 的檔案";code[128] = "rm -- --help.txt 或 rm ./--help.txt";tips[129] = "查看目前的目錄的子目錄";code[129] = "ls -d */. 或 echo */.";tips[130] = "將最近30天訪問過的檔案移動到上級back目錄 ";code[130] = "find . -type f -atime -30 -exec mv {} ../back \\;";tips[131] = "顯示一小時以內的包含 xxxx 的檔案";code[131] = "find . -type f -mmin -60|xargs -i  grep -l xxxx '{}'";tips[132] = "顯示最近2小時到8小時之內的檔案";code[132] = "find . -mmin +120 -mmin -480 -exec more {} \\;";tips[133] = "刪除修改時間在30天之前的檔案 ";code[133] = "find . -type f -mtime +30 -mtime -3600 -exec rm {} \\;";tips[134] = "刪除訪問時間在30天之前的檔案 ";code[134] = "find . -type f -atime +30 -atime -3600 -exec rm {} \\;";tips[135] = "刪除掉guest的以avi或rm結尾的檔案";code[135] = "find . -name '*.avi' -o -name '*.rm' -user 'guest' -exec rm {} \\;";tips[136] = "刪除掉不以java和xml結尾7天沒有使用的檔案 ";code[136] = "find . ! -name *.java ! -name '*.xml' -atime +7 -exec rm {} \\;";tips[137] = "刪除所有的 .svn 目錄 ";code[137] = "find . -name .svn -type d -exec rm -fr {} \\;";tips[138] = "刪除所有以“~”結尾的臨時檔案 ";code[138] = "find . -name '*~' -exec rm {} \\;";tips[139] = "統計當前檔案個數";code[139] = "ls .|wc -w";tips[140] = "統計目前的目錄個數";code[140] = "ls -l |grep ^d|wc -l";tips[141] = "顯示目前的目錄下2006-01-01的檔案名稱 ";code[141] = "ls -l |grep 2006-01-01 |awk '{print $8}'";tips[142] = "使用ssh方式同步遠端資料到本地目錄 ";code[142] = "rsync -Pa -I --size-only --delete --timeout=300 Remote_IP:/home/ubuntu /backup";tips[143] = "增加 7Z 壓縮軟體";code[143] = "sudo apt-get install p7zip p7zip-full p7zip-rar";tips[144] = "增加 rar 軟體壓縮和解壓縮支援 ";code[144] = "sudo apt-get install rar unrar";tips[145] = "解壓縮 xxx.tar.gz ";code[145] = "tar -zxvf xxx.tar.gz";tips[146] = "解壓縮 xxx.tar.bz2 ";code[146] = "tar -jxvf xxx.tar.bz2";tips[147] = "壓縮aaa bbb目錄為xxx.tar.gz ";code[147] = "tar -zcvf xxx.tar.gz aaa bbb";tips[148] = "壓縮aaa bbb目錄為xxx.tar.bz2 ";code[148] = "tar -jcvf xxx.tar.bz2 aaa bbb";tips[149] = "增加 lha 支援 ";code[149] = "sudo apt-get install lha";tips[150] = "增加解 cab 檔案支援 ";code[150] = "sudo apt-get install cabextract";tips[151] = "顯示日曆";code[151] = "cal";tips[152] = "設定日期";code[152] = "date -s mm/dd/yy";tips[153] = "設定時間";code[153] = "date -s HH:MM";tips[154] = "將時間寫入CMOS ";code[154] = "hwclock --systohc";tips[155] = "查看CMOS時間 ";code[155] = "hwclock --show";tips[156] = "讀取CMOS時間 ";code[156] = "hwclock --hctosys";tips[157] = "從伺服器上同步時間 ";code[157] = "sudo ntpdate ntp.ubuntu.com";tips[158] = "設定電腦的時區為上海";code[158] = "sudo cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime";tips[159] = "關閉UTC，將目前時間寫入CMOS。";code[159] = "sudo sed -ie 's/UTC=yes/UTC=no/g' /etc/default/rcS;sudo hwclock --systohc";tips[160] = "修改mysql的root口令 ";code[160] = "sudo mysqladmin -u root -p password '你的新密碼'";tips[161] = "如何使用命令關閉顯示器 ";code[161] = "xset dpms force off";tips[162] = "設定CPU的頻率 ";code[162] = "sudo apt-get install cpufrequtils;sudo cpufreq-info ";tips[163] = "命令關機";code[163] = "sudo halt";tips[164] = "現在關機";code[164] = "sudo shutdown -h now";tips[165] = "晚上11點自動關機";code[165] = "sudo shutdown -h 23:00";tips[166] = "60分鐘後關機";code[166] = "sudo shutdown -h +60";tips[167] = "命令重啟電腦";code[167] = "sudo reboot";tips[168] = "現在重啟電腦";code[168] = "sudo shutdown -r now";tips[169] = "關閉筆記本的觸摸板 ";code[169] = "synclient touchpadoff=1";tips[170] = "開啟筆記本的觸摸板";code[170] = "synclient touchpadoff=0";tips[171] = "統計每個單詞的出現頻率並排序 ";code[171] = "awk '{arr[$1]+=1 }END{for(i in arr){print arr[i]\"\\t\"i}}' FILE_NAME | sort -rn";tips[172] = "統計80連接埠的串連並排序 ";code[172] = "netstat -na|grep :80|awk '{print $5}'|awk -F: '{print $1}'|sort|uniq -c|sort -r -n";tips[173] = "把終端加到右鍵菜單";code[173] = "sudo apt-get install nautilus-open-terminal ";tips[174] = "如何刪除Totem電影播放機的播放記錄 ";code[174] = "rm ~/.recently-used";tips[175] = "vim 如何顯示彩色字元 ";code[175] = "sudo cp /usr/share/vim/vimcurrent/vimrc_example.vim /usr/share/vim/vimrc";tips[176] = "讓 vim 直接支援編輯 .gz 檔案 ";code[176] = "sudo apt-get install vim-full";tips[177] = "vim 如何顯示行號";code[177] = ":set number";tips[178] = "查看在會話設定的啟動程式";code[178] = "ls ~/.config/autostart";tips[179] = "提高wine的反應速度 ";code[179] = "sudo sed -ie '/GBK/,/^}/d' /usr/share/X11/locale/zh_CN.UTF-8/XLC_LOCALE";tips[180] = "製作ISO檔案";code[180] = "mkisofs -o test.iso -Jrv -V test_disk /home/carla/";tips[181] = "延遲10秒抓圖";code[181] = "gnome-screenshot -d 10";tips[182] = "延遲5秒抓當前啟用視窗";code[182] = "gnome-screenshot -w -d 5";tips[183] = "如何命令列燒錄";code[183] = "cdrecord -scanbus;cdrecord -v -eject speed=8 dev=1,1,0 test.iso";tips[184] = "資源回收筒在哪裡";code[184] = "~/.local/share/Trash/";tips[185] = "預設開啟檔案的設定檔在哪裡";code[185] = "~/.local/share/applications/mimeapps.list";tips[186] = "如何查看HTTP頭";code[186] = "w3m -dump_head http://www.xxx.com";tips[187] = "連續監視記憶體使用量情況";code[187] = "watch  -d free";tips[188] = "如何切換到root帳號";code[188] = "sudo -Hs";tips[189] = "唯讀掛載ntfs分區";code[189] = "sudo mount -t ntfs -o nls=utf8,umask=0 /dev/sdb1 /mnt/c";tips[190] = "可寫掛載ntfs分區";code[190] = "sudo mount -t ntfs-3g -o locale=zh_CN.utf8,umask=0 /dev/sdb1 /mnt/c";tips[191] = "掛載fat32分區";code[191] = "sudo mount -t vfat -o iocharset=utf8,umask=0 /dev/sda1 /mnt/c";tips[192] = "掛載共用檔案";code[192] = "sudo mount -t smbfs -o  username=xxx,password=xxx,iocharset=utf8 //192.168.1.1/share /mnt/share";tips[193] = "掛載ISO檔案";code[193] = "sudo mount -t iso9660 -o loop,utf8 xxx.iso /mnt/iso";tips[194] = "帶行號顯示檔案的內容";code[194] = "nl 檔案名稱";tips[195] = "批量將rmvb轉為avi";code[195] = "for i in *; do mencoder -oac mp3lame -lameopts vbr=3 -ovc xvid -xvidencopts fixed_quant=4 -of avi $i -o `echo $i | sed -e 's/rmvb$/avi/'`; done";tips[196] = "批量將svg轉為png";code[196] = "for i in *; do inkscape $i --export-png=`echo $i | sed -e 's/svg$/png/'`; done";tips[197] = "批量縮小圖片到30%";code[197] = "for i in *; do convert -resize 30%x30% $1 sm-$1; done";tips[198] = "批量轉換jpg到png";code[198] = "for i in *; do convert $i `echo $i | sed -e 's/jpg$/png/'`; done";tips[199] = "擷取jpg的擴充資訊(Exif)";code[199] = "identify -verbose xxx.jpg";tips[200] = "查看當前系統所有的監聽連接埠";code[200] = "nc -zv localhost 1-65535";tips[201] = "去掉檔案中的^M";code[201] = "cat filename | tr -d \"^M\" > newfile";tips[202] = "去掉檔案中的^M";code[202] = "sed -e \"s/^M//g\" filename > newfile";tips[203] = "轉換bin/cue到iso檔案";code[203] = "sudo apt-get install bchunk;bchunk image.bin image.cue image";tips[204] = "轉換目錄到iso檔案";code[204] = "mkisofs dirname -o isofile.iso";tips[205] = "轉換CD到iso檔案";code[205] = "dd if=/dev/cdrom of=isofile.iso";tips[206] = "ape轉換為flac";code[206] = "sudo apt-get install flac shntool;shntool split -t \"%n.%p-%t\" -f example_UTF-8.cue -o flac example.ape -d flacOutputDir";tips[207] = "ape轉換為mp3";code[207] = "sudo apt-get install flac shntool lame;shntool split -t \"%n.%p-%t\" -f example_UTF-8.cue -o 'cust ext=mp3 lame --r3mix -b 320 --quiet - %f' example.ape -d mp3OutputDir";tips[208] = "檢查本地是否存在安全隱患";code[208] = "sudo apt-get install rkhunter;rkhunter --checkall";tips[209] = "如何安裝殺毒軟體";code[209] = "sudo apt-get install clamav;clamscan -r ~/";tips[210] = "查看網路連接狀態";code[210] = "netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}'";tips[211] = "統計程式的記憶體耗用";code[211] = "ps -eo fname,rss|awk '{arr[$1]+=$2} END {for (i in arr) {print i,arr[i]}}'|sort -k2 -nr";tips[212] = "顯示當前記憶體大小";code[212] = "free -m |grep \"Mem\" | awk '{print $2}'";tips[213] = "按記憶體從大到小排列進程";code[213] = "ps -eo \"%C  : %p : %z : %a\"|sort -k5 -nr";tips[214] = "按cpu利用率從大到小排列進程";code[214] = "ps -eo \"%C  : %p : %z : %a\"|sort  -nr";tips[215] = "統計目前的目錄下所有jpg檔案的尺寸";code[215] = "find . -name *.jpg -exec wc -c {} \\;|awk '{print $1}'|awk '{a+=$1}END{print a}'";tips[216] = "清除僵死進程";code[216] = "ps -eal | awk '{ if ($2 == \"Z\") {print $4}}' | sudo kill -9";tips[217] = "CD 抓軌為 mp3 (有損)";code[217] = "sudo apt-get install abcde;abcde -o mp3 -b";tips[218] = "CD 抓軌為 Flac (無損)";code[218] = "sudo apt-get install abcde;abcde -o flac -b";tips[219] = "顯示系統安裝包的統計資訊";code[219] = "apt-cache stats";tips[220] = "顯示系統全部可用包的名稱";code[220] = "apt-cache pkgnames";tips[221] = "顯示包的資訊";code[221] = "apt-cache show k3b";index = Math.floor(Math.random() * tips.length);document.write(" "+tips[index]+':  <code>'+code[index]+'</code>');