偶然在http://forum.ubuntu.org.cn上看到一个帖子中有一个随机变化的linux技巧表，就将其js脚本搞了出来，代码中写的技巧都挺有用的。
tips = new Array(222); code = new Array(222); tips[0] = '查看软件xxx安装内容'; code[0] = 'dpkg -L xxx'; tips[1] = '查找软件库中的软件'; code[1] = 'apt-cache search 正则表达式'; tips[2] = '查找软件库中的软件'; code[2] = 'aptitude search 软件包'; tips[3] = '查找文件属于哪个包'; code[3] = 'dpkg -S filename'; tips[4] = '查找文件属于哪个包'; code[4] = 'apt-file search filename'; tips[5] = '查询软件xxx依赖哪些包'; code[5] = 'apt-cache depends xxx'; tips[6] = '查询软件xxx被哪些包依赖'; code[6] = 'apt-cache rdepends xxx'; tips[7] = '增加一个光盘源'; code[7] = 'sudo apt-cdrom add'; tips[8] = "系统升级"; code[8] = 'sudo apt-get update;sudo apt-get dist-upgrade'; tips[9] = "清除已删除包的残馀配置文件"; code[9] = "dpkg -l |grep ^rc|awk '{print $2}' |sudo xargs dpkg -P"; tips[10] = '编译时缺少h文件的自动处理'; code[10] = 'sudo auto-apt run ./configure'; tips[11] = "查看安装软件时下载包的临时存放目录"; code[11] = "ls /var/cache/apt/archives"; tips[12] = "备份当前系统安装的所有包的列表"; code[12] = "dpkg --get-selections | grep -v deinstall > ~/somefile"; tips[13] = "从备份的安装包的列表文件恢复所有包"; code[13] = "dpkg --set-selections < ~/somefile;sudo dselect"; tips[14] = "清理旧版本的软件缓存"; code[14] = "sudo apt-get autoclean"; tips[15] = "清理所有软件缓存"; code[15] = "sudo apt-get clean"; tips[16] = "删除系统不再使用的孤立软件"; code[16] = "sudo apt-get autoremove"; tips[17] = "查看包在服务器上面的地址"; code[17] = "apt-get -qq --print-uris install ssh | cut -d\\' -f2"; tips[18] = "查看内核"; code[18] = "uname -a"; tips[19] = "查看Ubuntu版本"; code[19] = "cat /etc/issue 或 lsb_release -a"; tips[20] = "查看内核加载的模块"; code[20] = "lsmod"; tips[21] = "查看PCI设备"; code[21] = "lspci"; tips[22] = "查看USB设备"; code[22] = "lsusb -v"; tips[23] = "查看网卡状态"; code[23] = "sudo ethtool eth0"; tips[24] = "查看CPU信息"; code[24] = "cat /proc/cpuinfo"; tips[25] = "显示当前硬件信息"; code[25] = "sudo lshw"; tips[26] = "显示系统运行时间"; code[26] = "uptime"; tips[27] = "查看硬盘的分区"; code[27] = "sudo fdisk -l"; tips[28] = "硬盘分区"; code[28] = "sudo fdisk /dev/sda"; tips[29] = "硬盘格式化"; code[29] = "sudo mkfs.ext3 /dev/sda1"; tips[30] = "硬盘检查(请不要检查已经挂载的分区，否则容易损坏数据)"; code[30] = "sudo fsck /dev/sda1"; tips[31] = "分区挂载"; code[31] = "sudo mount -t 文件系统类型 (-o nls=utf8 或 -o iocharset=utf8) 设备路经 访问路经 "; tips[32] = "分区卸载"; code[32] = "sudo umount 目录名或设备名"; tips[33] = "查看IDE硬盘信息"; code[33] = "sudo hdparm -i /dev/hda"; tips[34] = "查看STAT硬盘信息 "; code[34] = "sudo hdparm -I /dev/sda 或 sudo blktool /dev/sda id"; tips[35] = "查看硬盘剩馀空间"; code[35] = "df"; tips[36] = "查看目录占用空间"; code[36] = "du -hs 目录名"; tips[37] = "优盘没法卸载"; code[37] = "sync;fuser -km /media/usbdisk"; tips[38] = "查看硬盘当前读写情况"; code[38] = "sudo iostat -x 2"; tips[39] = "查看当前的内存使用情况"; code[39] = "free"; tips[40] = "动态显示进程执行情况"; code[40] = "top"; tips[41] = "查看当前有哪些进程"; code[41] = "ps -A"; tips[42] = "查看当前进程树"; code[42] = "pstree"; tips[43] = "中止一个进程"; code[43] = "kill 进程号 或 killall 进程名"; tips[44] = "强制中止一个进程"; code[44] = "kill -9 进程号 或 killall -9 进程名"; tips[45] = "图形方式中止一个程序"; code[45] = "xkill 出现骷髅标志的鼠标，点击需要中止的程序即可"; tips[46] = "查看进程打开的文件"; code[46] = "lsof -p"; tips[47] = "显示开启文件abc.txt的进程 "; code[47] = "lsof abc.txt "; tips[48] = "显示22端口现在运行什么程序 "; code[48] = "lsof -i :22 "; tips[49] = "显示nsd进程现在打开的文件 "; code[49] = "lsof -c nsd"; tips[50] = "在后台运行程序，退出登录后，并不结束程序 "; code[50] = "nohup 程序 &"; tips[51] = "详细显示程序的运行信息 "; code[51] = "strace -f -F -o outfile"; tips[52] = "增加系统最大打开文件个数"; 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手工拨号"; code[54] = "sudo pon dsl-provider"; tips[55] = "激活 ADSL"; code[55] = "sudo /etc/ppp/pppoe_on_boot"; tips[56] = "断开 ADSL "; code[56] = "sudo poff"; tips[57] = "查看拨号日志"; code[57] = "sudo plog"; tips[58] = "如何设置动态域名"; code[58] = "w3m -no-cookie -dump 'http://usere:[email protected]/dyndns/update?system=dyndns&hostname=yourdns.3322.org'"; tips[59] = "根据IP查网卡地址 "; code[59] = "arping IP地址"; tips[60] = "根据IP查电脑名 "; code[60] = "nmblookup -A IP地址"; tips[61] = "查看当前IP地址 "; code[61] = "ifconfig eth0 |awk '/inet/ {split($2,x,\":\");print x[2]}'"; tips[62] = "查看当前外网的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] = "查看当前监听80端口的程序 "; code[63] = "lsof -i :80"; tips[64] = "查看当前网卡的物理地址"; code[64] = "arp -a | awk '{print $4}'"; tips[65] = "同一个网卡增加第二个IP地址 "; code[65] = "sudo ifconfig eth0:0 1.2.3.4 netmask 255.255.255.0"; tips[66] = "立即让网络支持nat "; code[66] = "echo 1 | sudo tee /proc/sys/net/ipv4/ip_forward; sudo iptables -t nat -I POSTROUTING -j MASQUERADE "; tips[67] = "查看路由信息"; code[67] = "netstat -rn 或 sudo route -n"; tips[68] = "手工增加一条路由 "; code[68] = "sudo route add -net 192.168.0.0 netmask 255.255.255.0 gw 172.16.0.1"; tips[69] = "手工删除一条路由"; code[69] = "sudo route del -net 192.168.0.0 netmask 255.255.255.0 gw 172.16.0.1"; tips[70] = "修改网卡MAC地址的方法 "; code[70] = "sudo ifconfig eth0 hw ether 00:AA:BB:CC:DD:EE"; tips[71] = "统计当前IP连接的个数 "; 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] = "察看当前网络连接状况以及程序 "; code[73] = "sudo netstat -atnp"; tips[74] = "查看ADSL的当前流量"; code[74] = "sudo ethstatus -i ppp0"; tips[75] = "查看域名的注册备案情况"; code[75] = "whois baidu.cn"; tips[76] = "查看到某一个域名的路由情况"; code[76] = "tracepath baidu.cn"; tips[77] = "重新从服务器获得IP地址 "; code[77] = "sudo dhclient"; tips[78] = "下载网站文档"; code[78] = "wget -r -p -np -k http://www.xxx.com"; tips[79] = "如何5个线程下载"; code[79] = "axel -n 5 http://www.xxx.com/downloadfile.zip"; tips[80] = "添加一个服务"; code[80] = "sudo update-rc.d 服务名 defaults 99"; tips[81] = "删除一个服务 "; code[81] = "sudo update-rc.d 服务名 remove"; tips[82] = "临时重启一个服务"; code[82] = "/etc/init.d/服务名 restart"; tips[83] = "临时关闭一个服务"; code[83] = "/etc/init.d/服务名 stop"; tips[84] = "临时启动一个服务"; code[84] = "/etc/init.d/服务名 start"; tips[85] = "增加用户"; code[85] = "sudo adduser 用户名"; tips[86] = "删除用户"; code[86] = "sudo deluser 用户名"; tips[87] = "修改当前用户的密码"; code[87] = "passwd"; tips[88] = "修改用户密码"; code[88] = "sudo passwd 用户名"; tips[89] = "修改用户资料"; code[89] = "sudo chfn userid"; tips[90] = "如何禁用某个帐户"; code[90] = "sudo usermod -L 用户名 或 sudo passwd -l 用户名"; tips[91] = "如何启用某个帐户"; code[91] = "sudo usermod -U 用户名 或 sudo passwd -u 用户名"; tips[92] = "增加用户到admin组"; code[92] = "sudo usermod -G admin -a 用户名"; tips[93] = "配置默认Java使用哪个 "; code[93] = "sudo update-alternatives --config java"; tips[94] = "终端设置代理 "; code[94] = "export http_proxy=http://xx.xx.xx.xx:xxx"; tips[95] = "修改系统登录信息"; code[95] = "sudo vim /etc/motd"; tips[96] = "使用sun的java编译器"; code[96] = "sudo update-java-alternatives -s java-6-sun"; tips[97] = "切换输入法引擎"; code[97] = "im-switch -c"; tips[98] = "转换文件名由GBK为UTF8 "; code[98] = "convmv -r -f cp936 -t utf8 --notest --nosmart *"; tips[99] = "转换文件内容由GBK到UTF8 "; code[99] = "iconv -f gbk -t utf8 $i > newfile"; tips[100] = "转换 mp3 标签编码 "; code[100] = "sudo apt-get install python-mutagen;find . -iname '*.mp3' -execdir mid3iconv -e GBK {} \\;"; tips[101] = "控制台下显示中文 "; code[101] = "sudo apt-get install zhcon;zhcon --utf8 --drv=vga"; tips[102] = "lftp 登录远程Windows中文FTP "; code[102] = "lftp :~>set ftp:charset GBK"; tips[103] = "PDF 文件乱码 "; code[103] = "sudo apt-get install xpdf-chinese-simplified xpdf-chinese-traditional poppler-data"; tips[104] = "一屏查看文件内容 "; code[104] = "cat 文件名"; tips[105] = "分页查看文件内容"; code[105] = "more 文件名"; tips[106] = "可控分页查看文件内容"; code[106] = "less 文件名"; tips[107] = "根据字符串匹配来查看文件部分内容"; code[107] = "grep 字符串 文件名"; tips[108] = "显示包含字符串的文件名"; code[108] = "grep -l -r 字符串 路径"; tips[109] = "显示不包含字符串的文件名"; code[109] = "grep -L -r 字符串 路径"; tips[110] = "快速查找某个文件"; code[110] = "find 目录 -name 文件名"; tips[111] = "创建两个空文件"; code[111] = "touch file1 file2"; tips[112] = "递归式创建一些嵌套目录"; code[112] = "mkdir –p /tmp/xxs/dsd/efd"; tips[113] = "递归式删除嵌套目录"; code[113] = "rm –fr /tmp/xxs"; tips[114] = "回当前用户的宿主目录"; code[114] = "cd ~"; tips[115] = "查看当前所在目录的绝对路经"; code[115] = "pwd"; tips[116] = "列出当前目录下的所有文件"; code[116] = "ls -a"; tips[117] = "移动路径下的文件并改名"; code[117] = "mv 路径/文件 /新路径/新文件名"; tips[118] = "复制文件或者目录"; code[118] = "cp -av 原文件或原目录 新文件或新目录"; tips[119] = "查看文件类型"; code[119] = "file filename"; tips[120] = "对比两个文件之间的差异"; code[120] = "diff file1 file2"; tips[121] = "显示xxx文件倒数6行的内容 "; code[121] = "tail -n 6 xxx"; tips[122] = "不停地显示最新的内容 "; code[122] = "tail -n 10 -f /var/log/apache2/access.log"; tips[123] = "查看文件第五行到第10行的内容 "; code[123] = "sed -n '5,10p' /var/log/apache2/access.log"; tips[124] = "查找关于xxx的命令 "; code[124] = "apropos xxx 或 man -k xxx"; tips[125] = "通过ssh传输文件 "; code[125] = "scp -rp /path/filename username@remoteIP:/path "; tips[126] = "把所有文件的后辍由rm改为rmvb "; code[126] = "rename 's/.rm$/.rmvb/' *"; tips[127] = "把所有文件名中的大写改为小写"; code[127] = "rename 'tr/A-Z/a-z/' *"; tips[128] = "删除特殊文件名 --help.txt 的文件"; code[128] = "rm -- --help.txt 或 rm ./--help.txt"; tips[129] = "查看当前目录的子目录"; code[129] = "ls -d */. 或 echo */."; tips[130] = "将最近30天访问过的文件移动到上级back目录 "; code[130] = "find . -type f -atime -30 -exec mv {} ../back \\;"; tips[131] = "显示一小时以内的包含 xxxx 的文件"; code[131] = "find . -type f -mmin -60|xargs -i grep -l xxxx '{}'"; tips[132] = "显示最近2小时到8小时之内的文件"; code[132] = "find . -mmin +120 -mmin -480 -exec more {} \\;"; tips[133] = "删除修改时间在30天之前的文件 "; code[133] = "find . -type f -mtime +30 -mtime -3600 -exec rm {} \\;"; tips[134] = "删除访问时间在30天之前的文件 "; code[134] = "find . -type f -atime +30 -atime -3600 -exec rm {} \\;"; tips[135] = "删除掉guest的以avi或rm结尾的文件"; code[135] = "find . -name '*.avi' -o -name '*.rm' -user 'guest' -exec rm {} \\;"; tips[136] = "删除掉不以java和xml结尾7天没有使用的文件 "; code[136] = "find . ! -name *.java ! -name '*.xml' -atime +7 -exec rm {} \\;"; tips[137] = "删除所有的 .svn 目录 "; code[137] = "find . -name .svn -type d -exec rm -fr {} \\;"; tips[138] = "删除所有以“~”结尾的临时文件 "; code[138] = "find . -name '*~' -exec rm {} \\;"; tips[139] = "统计当前文件个数"; code[139] = "ls .|wc -w"; tips[140] = "统计当前目录个数"; code[140] = "ls -l |grep ^d|wc -l"; tips[141] = "显示当前目录下2006-01-01的文件名 "; code[141] = "ls -l |grep 2006-01-01 |awk '{print $8}'"; tips[142] = "使用ssh方式同步远程数据到本地目录 "; code[142] = "rsync -Pa -I --size-only --delete --timeout=300 Remote_IP:/home/ubuntu /backup"; tips[143] = "增加 7Z 压缩软件"; code[143] = "sudo apt-get install p7zip p7zip-full p7zip-rar"; tips[144] = "增加 rar 软件压缩和解压缩支持 "; code[144] = "sudo apt-get install rar unrar"; tips[145] = "解压缩 xxx.tar.gz "; code[145] = "tar -zxvf xxx.tar.gz"; tips[146] = "解压缩 xxx.tar.bz2 "; code[146] = "tar -jxvf xxx.tar.bz2"; tips[147] = "压缩aaa bbb目录为xxx.tar.gz "; code[147] = "tar -zcvf xxx.tar.gz aaa bbb"; tips[148] = "压缩aaa bbb目录为xxx.tar.bz2 "; code[148] = "tar -jcvf xxx.tar.bz2 aaa bbb"; tips[149] = "增加 lha 支持 "; code[149] = "sudo apt-get install lha"; tips[150] = "增加解 cab 文件支持 "; code[150] = "sudo apt-get install cabextract"; tips[151] = "显示日历"; code[151] = "cal"; tips[152] = "设置日期"; code[152] = "date -s mm/dd/yy"; tips[153] = "设置时间"; code[153] = "date -s HH:MM"; tips[154] = "将时间写入CMOS "; code[154] = "hwclock --systohc"; tips[155] = "查看CMOS时间 "; code[155] = "hwclock --show"; tips[156] = "读取CMOS时间 "; code[156] = "hwclock --hctosys"; tips[157] = "从服务器上同步时间 "; code[157] = "sudo ntpdate ntp.ubuntu.com"; tips[158] = "设置电脑的时区为上海"; code[158] = "sudo cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime"; tips[159] = "关闭UTC，将当前时间写入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 '你的新密码'"; tips[161] = "如何使用命令关闭显示器 "; code[161] = "xset dpms force off"; tips[162] = "设置CPU的频率 "; code[162] = "sudo apt-get install cpufrequtils;sudo cpufreq-info "; tips[163] = "命令关机"; code[163] = "sudo halt"; tips[164] = "现在关机"; code[164] = "sudo shutdown -h now"; tips[165] = "晚上11点自动关机"; code[165] = "sudo shutdown -h 23:00"; tips[166] = "60分钟后关机"; code[166] = "sudo shutdown -h +60"; tips[167] = "命令重启电脑"; code[167] = "sudo reboot"; tips[168] = "现在重启电脑"; code[168] = "sudo shutdown -r now"; tips[169] = "关闭笔记本的触摸板 "; code[169] = "synclient touchpadoff=1"; tips[170] = "开启笔记本的触摸板"; code[170] = "synclient touchpadoff=0"; tips[171] = "统计每个单词的出现频率并排序 "; code[171] = "awk '{arr[$1]+=1 }END{for(i in arr){print arr[i]\"\\t\"i}}' FILE_NAME | sort -rn"; tips[172] = "统计80端口的连接并排序 "; code[172] = "netstat -na|grep :80|awk '{print $5}'|awk -F: '{print $1}'|sort|uniq -c|sort -r -n"; tips[173] = "把终端加到右键菜单"; code[173] = "sudo apt-get install nautilus-open-terminal "; tips[174] = "如何删除Totem电影播放机的播放历史记录 "; code[174] = "rm ~/.recently-used"; tips[175] = "vim 如何显示彩色字符 "; code[175] = "sudo cp /usr/share/vim/vimcurrent/vimrc_example.vim /usr/share/vim/vimrc"; tips[176] = "让 vim 直接支持编辑 .gz 文件 "; code[176] = "sudo apt-get install vim-full"; tips[177] = "vim 如何显示行号"; code[177] = ":set number"; tips[178] = "查看在会话设置的启动程序"; code[178] = "ls ~/.config/autostart"; tips[179] = "提高wine的反应速度 "; code[179] = "sudo sed -ie '/GBK/,/^}/d' /usr/share/X11/locale/zh_CN.UTF-8/XLC_LOCALE"; tips[180] = "制作ISO文件"; code[180] = "mkisofs -o test.iso -Jrv -V test_disk /home/carla/"; tips[181] = "延迟10秒抓图"; code[181] = "gnome-screenshot -d 10"; tips[182] = "延迟5秒抓当前激活窗口"; code[182] = "gnome-screenshot -w -d 5"; tips[183] = "如何命令行刻录"; code[183] = "cdrecord -scanbus;cdrecord -v -eject speed=8 dev=1,1,0 test.iso"; tips[184] = "回收站在哪里"; code[184] = "~/.local/share/Trash/"; tips[185] = "默认打开方式的配置文件在哪里"; code[185] = "~/.local/share/applications/mimeapps.list"; tips[186] = "如何查看HTTP头"; code[186] = "w3m -dump_head http://www.xxx.com"; tips[187] = "连续监视内存使用情况"; code[187] = "watch -d free"; tips[188] = "如何切换到root帐号"; code[188] = "sudo -Hs"; tips[189] = "只读挂载ntfs分区"; code[189] = "sudo mount -t ntfs -o nls=utf8,umask=0 /dev/sdb1 /mnt/c"; tips[190] = "可写挂载ntfs分区"; code[190] = "sudo mount -t ntfs-3g -o locale=zh_CN.utf8,umask=0 /dev/sdb1 /mnt/c"; tips[191] = "挂载fat32分区"; code[191] = "sudo mount -t vfat -o iocharset=utf8,umask=0 /dev/sda1 /mnt/c"; tips[192] = "挂载共享文件"; code[192] = "sudo mount -t smbfs -o username=xxx,password=xxx,iocharset=utf8 //192.168.1.1/share /mnt/share"; tips[193] = "挂载ISO文件"; code[193] = "sudo mount -t iso9660 -o loop,utf8 xxx.iso /mnt/iso"; tips[194] = "带行号显示文件的内容"; code[194] = "nl 文件名"; tips[195] = "批量将rmvb转为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] = "批量将svg转为png"; code[196] = "for i in *; do inkscape $i --export-png=`echo $i | sed -e 's/svg$/png/'`; done"; tips[197] = "批量缩小图片到30%"; code[197] = "for i in *; do convert -resize 30%x30% $1 sm-$1; done"; tips[198] = "批量转换jpg到png"; code[198] = "for i in *; do convert $i `echo $i | sed -e 's/jpg$/png/'`; done"; tips[199] = "获取jpg的扩展信息(Exif)"; code[199] = "identify -verbose xxx.jpg"; tips[200] = "查看当前系统所有的监听端口"; code[200] = "nc -zv localhost 1-65535"; tips[201] = "去掉文件中的^M"; code[201] = "cat filename | tr -d \"^M\" > newfile"; tips[202] = "去掉文件中的^M"; code[202] = "sed -e \"s/^M//g\" filename > newfile"; tips[203] = "转换bin/cue到iso文件"; code[203] = "sudo apt-get install bchunk;bchunk image.bin image.cue image"; tips[204] = "转换目录到iso文件"; code[204] = "mkisofs dirname -o isofile.iso"; tips[205] = "转换CD到iso文件"; code[205] = "dd if=/dev/cdrom of=isofile.iso"; tips[206] = "ape转换为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转换为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] = "检查本地是否存在安全隐患"; code[208] = "sudo apt-get install rkhunter;rkhunter --checkall"; tips[209] = "如何安装杀毒软件"; code[209] = "sudo apt-get install clamav;clamscan -r ~/"; tips[210] = "查看网络连接状态"; code[210] = "netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}'"; tips[211] = "统计程序的内存耗用"; code[211] = "ps -eo fname,rss|awk '{arr[$1]+=$2} END {for (i in arr) {print i,arr[i]}}'|sort -k2 -nr"; tips[212] = "显示当前内存大小"; code[212] = "free -m |grep \"Mem\" | awk '{print $2}'"; tips[213] = "按内存从大到小排列进程"; code[213] = "ps -eo \"%C : %p : %z : %a\"|sort -k5 -nr"; tips[214] = "按cpu利用率从大到小排列进程"; code[214] = "ps -eo \"%C : %p : %z : %a\"|sort -nr"; tips[215] = "统计当前目录下所有jpg文件的尺寸"; code[215] = "find . -name *.jpg -exec wc -c {} \\;|awk '{print $1}'|awk '{a+=$1}END{print a}'"; tips[216] = "清除僵死进程"; code[216] = "ps -eal | awk '{ if ($2 == \"Z\") {print $4}}' | sudo kill -9"; tips[217] = "CD 抓轨为 mp3 (有损)"; code[217] = "sudo apt-get install abcde;abcde -o mp3 -b"; tips[218] = "CD 抓轨为 Flac (无损)"; code[218] = "sudo apt-get install abcde;abcde -o flac -b"; tips[219] = "显示系统安装包的统计信息"; code[219] = "apt-cache stats"; tips[220] = "显示系统全部可用包的名称"; code[220] = "apt-cache pkgnames"; tips[221] = "显示包的信息"; code[221] = "apt-cache show k3b"; index = Math.floor(Math.random() * tips.length); document.write(" "+tips[index]+': '+code[index]+'');