可以拉到最后看常用功能总结
先看看原参数

root@wangsansan:~# rdesktop rdesktop: A Remote Desktop Protocol 
 client. Version 1.8.2. Copyright (C) 1999-2011 Matthew Chapman et al. 
 See http://www.rdesktop.org/ for more information.Usage: rdesktop [options] server[:port] -u: user name -d: domain 
 -s: shell / seamless application to start remotly -c: working directory -p: password (- to prompt) -n: client hostname -k: 
 keyboard layout on server (en-us, de, sv, etc.) -g: desktop 
 geometry (WxH) -i: enables smartcard authentication, password is 
 used as pin -f: full-screen mode -b: force bitmap updates -L: 
 local codepage -A: path to SeamlessRDP shell, this enables 
 SeamlessRDP mode -B: use BackingStore of X-server (if available) 
 -e: disable encryption (French TS) -E: disable encryption from client to server -m: do not send motion events -C: use private 
 colour map -D: hide window manager decorations -K: keep window 
 manager key bindings -S: caption button size (single application 
 mode) -T: window title -t: disable use of remote ctrl -N: 
 enable numlock syncronization -X: embed into another window with a 
 given id. -a: connection colour depth -z: enable rdp compression 
 -x: RDP5 experience (m[odem 28.8], b[roadband], l[an] or hex nr.) -P: use persistent bitmap caching -r: enable specified device redirection (this flag can be repeated) 
 ‘-r comport:COM1=/dev/ttyS0’: enable serial redirection of /dev/ttyS0 to COM1 
 or COM1=/dev/ttyS0,COM2=/dev/ttyS1 
 ‘-r disk:floppy=/mnt/floppy’: enable redirection of /mnt/floppy to ‘floppy’ share 
 or ‘floppy=/mnt/floppy,cdrom=/mnt/cdrom’ 
 ‘-r clientname=’: Set the client name displayed 
 for redirected disks 
 ‘-r lptport:LPT1=/dev/lp0’: enable parallel redirection of /dev/lp0 to LPT1 
 or LPT1=/dev/lp0,LPT2=/dev/lp1 
 ‘-r printer:mydeskjet’: enable printer redirection 
 or mydeskjet=”HP LaserJet IIIP” to enter server driver as well 
 ‘-r sound:[local[:driver[:device]]|off|remote]’: enable sound redirection 
 remote would leave sound on server 
 available drivers for ‘local’: 
 alsa: ALSA output driver, default device: default 
 ‘-r clipboard:[off|PRIMARYCLIPBOARD|CLIPBOARD]’: enable clipboard 
 redirection. 
 ‘PRIMARYCLIPBOARD’ looks at both PRIMARY and CLIPBOARD 
 when sending data to server. 
 ‘CLIPBOARD’ looks at only CLIPBOARD. 
 ‘-r scard[:”Scard Name”=”Alias Name[;Vendor Name]”[,…]] 
 example: -r scard:”eToken PRO 00 00”=”AKS ifdh 0” 
 “eToken PRO 00 00” -> Device in Linux/Unix enviroment 
 “AKS ifdh 0” -> Device shown in Windows enviroment 
 example: -r scard:”eToken PRO 00 00”=”AKS ifdh 0;AKS” 
 “eToken PRO 00 00” -> Device in Linux/Unix enviroment 
 “AKS ifdh 0” -> Device shown in Windows enviroment 
 “AKS” -> Device vendor name -0: attach to console -4: use RDP version 4 -5: use RDP version 5 (default) -o: name=value: Adds an additional option to rdesktop. 
 sc-csp-name Specifies the Crypto Service Provider name which 
 is used to authenticate the user by smartcard 
 sc-container-name Specifies the container name, this is usally the username 
 sc-reader-name Smartcard reader name to use 
 sc-card-name Specifies the card name of the smartcard to use解释(翻译):
root@wangsansan:~# rdesktop rdesktop: A Remote Desktop Protocol 
 client. Version 1.8.2. Copyright (C) 1999-2011 Matthew Chapman et al. 
 See http://www.rdesktop.org/ for more information.Usage: rdesktop [options] server[:port] -u: user name 
 -d: 域 
 -s: shell命令 (登录运行命令之后就退出) 
 -c: 工作目录(应该是-s的子命令),-s shell命令的一个参数 
 -p: password (- to prompt) 
 -n: 客户端(本地)主机名,默认为本地主机名 
 -k: 服务器上的键盘布局选择 (en-us, de, sv, etc.) 
 -g: 桌面分辨率(宽x高) 
 -i: enables smartcard authentication, password is used as pin 
 -f: 全屏模式(Ctrl + Alt + Enter 退出全屏模式) 
 -b: 强制位图刷新(没发现什么用) 
 -L: 本地编码 
 -A: 无缝虚拟应用程序到本地 
 -B: use BackingStore of X-server (if available) 
 -e: disable encryption (French TS) 禁用加密 
 -E: disable encryption from client to server 从客户端到服务器,禁用加密。 
 -m: 不允许拖动(不传递鼠标的拖动事件) 
 -C: use private colour map 
 -D: 不显示窗口标题栏(只有远程桌面窗口,没有关闭和最小化按钮) 
 -K: 窗口切换快捷热键(Alt+Tab)不传递到远程桌面 
 -S: 标题按钮的大小,个人觉得这个参数很无用,或者我还没弄明白到底什么意思。 
 -T: 窗口标题 
 -t: disable use of remote ctrl 
 -N: 数字键盘同步 
 -X: 给定另一个窗口的标识,嵌入到另一个窗口 
 -a: connection colour depth 选择颜色深度 
 -z: 启用rdp压缩 
 -x: RDP5 experience (m[odem 28.8], b[roadband], l[an] or hex nr.) 
 -P: 持久位图缓存 
 -r: 设备重定向(参数可以重复使用)注:如windows下的mstsc开启串行口、本地磁盘、打印机等 
 ‘-r comport:COM1=/dev/ttyS0’: enable serial redirection of /dev/ttyS0 to COM1 把Linux上的ttyS0映射到远程windows的COM1口 
 or COM1=/dev/ttyS0,COM2=/dev/ttyS1 
 ‘-r disk:floppy=/mnt/floppy’: enable redirection of /mnt/floppy to ‘floppy’ share 
 or ‘floppy=/mnt/floppy,cdrom=/mnt/cdrom’ 把本地的/mnt/floppy文件夹挂载到远程连接的floppy,/mnt/cdrom文件夹挂在到远程桌面的cdrom 
 ‘-r clientname=’ 设置本地设备的客户端名称 
 for redirected disks 
 ‘-r lptport:LPT1=/dev/lp0’: enable parallel redirection of /dev/lp0 to LPT1 
 or LPT1=/dev/lp0,LPT2=/dev/lp1 
 ‘-r printer:mydeskjet’: enable printer redirection 
 or mydeskjet=”HP LaserJet IIIP” to enter server driver as well 
 ‘-r sound:[local[:driver[:device]]|off|remote]’: 远程计算机的声音带到本地 
 available drivers for ‘local’: 
 alsa: ALSA output driver, default device: default 
 ‘-r clipboard:[off|PRIMARYCLIPBOARD|CLIPBOARD]’: 剪贴板的配置 
 redirection. 
 ‘PRIMARYCLIPBOARD’ 在本地和远程桌面共享剪贴板 
 when sending data to server. 
 ‘CLIPBOARD’ looks at only CLIPBOARD. 
 以下的不是很常用 
 ‘-r scard[:”Scard Name”=”Alias Name[;Vendor Name]”[,…]] 
 example: -r scard:”eToken PRO 00 00”=”AKS ifdh 0” 
 “eToken PRO 00 00” -> Device in Linux/Unix enviroment 
 “AKS ifdh 0” -> Device shown in Windows enviroment 
 example: -r scard:”eToken PRO 00 00”=”AKS ifdh 0;AKS” 
 “eToken PRO 00 00” -> Device in Linux/Unix enviroment 
 “AKS ifdh 0” -> Device shown in Windows enviroment 
 “AKS” -> Device vendor name 
 -0: attach to console 连接到控制台 
 -4: use RDP version 4 使用RDP 4的版本 
 -5: use RDP version 5 (default) 默认使用RDP 5的版本 
 -o: name=value: Adds an additional option to rdesktop. 
 sc-csp-name Specifies the Crypto Service Provider name which 
 is used to authenticate the user by smartcard 
 sc-container-name Specifies the container name, this is usally the username 
 sc-reader-name Smartcard reader name to use 
 sc-card-name Specifies the card name of the smartcard to use常用功能小结及部分参数用法举例:
-g: 桌面分辨率(宽x高) 
 -f: 全屏模式(Ctrl + Alt + Enter 退出全屏模式) 
 -D: 不显示窗口标题栏(只有远程桌面窗口,没有关闭和最小化按钮) 
 -T: 窗口标题 
 -r: 设备重定向 
 -A: 无缝虚拟应用程序到本地

用法实例:
桌面分辨率(1024x768)

root@wangsansan:~# rdesktop 192.168.1.3 -g 1024x768

远程挂在本地文件夹(本地/home和/root文件夹挂在到远程服务器上分别命名为h和r)

root@wangsansan:~# redsktop 192.168.1.3 -r disk:h=/home,r=/root

共享剪贴板

root@wangsansan:~# redsktop 192.168.1.3 -r clipboard:PRIMARYCLIPBOARD