ubuntu常用命令汇总

用apt-get安装，卸载软件

sudo apt-get install sofaware_name
sudo apt-get remove software_name

复制文件，文件夹

sudo cp ~/Downloads/doc.txt ~/doc.txt
sudo cp -r ~/Downloads/folder_name ~/folder_name

更改文件和文件夹的所有者

sudo chown user_name file_name
sudo chown -R user_name folder_name

Show windows loader in grub

# update-grub
# vim /boot/grub/grub.conf
Change:
set default="0"
to
set default="4"

How to login with other users, i.e., root user.

# vim /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf
greeter-show-manual-login=true
# reboot
Reference: http://jingyan.baidu.com/article/27fa73268144f346f8271f83.html[/code] 
Workspace Operation
系统设置 --> 外观 --> 行为 --> 开启工作区
Shortcuts:
Super + W: Layout all the task windows
Super + S: Layout all the workspaces
Ctrl + Alt + left/right/up/down: Switch to left/right/up/down workspace
Ctrl + Alt + Shift + left....: Move current task to workspace
Reference:
Other shortcuts
 http://jingyan.baidu.com/article/fdffd1f83a302af3e98ca132.html[/code] 
NTFS mount problem
Install ntfs-config Or ntfs*
# ntfsfix /dev/sda1


ubuntu显示路径过长问题
解决方法：
修改~/.bashrc文件，将

if [ "$color_prompt " = yes ]; then
PS1 ='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w \[\033[00m\]\$ '
else
PS1 ='${debian_chroot:+($debian_chroot)}\u@\h:\w \$ '