open  MFileName.m  打开名为MFileName的m文件

一下来自网络

1.有关命令行环境的一些操作:                                                     
(1) clc                 擦去一页命令窗口,光标回屏幕左上角                       
(2) clear             从工作空间清除所有变量                                    
(3) clf         清除图形窗口内容                                                
(4) who               列出当前工作空间中的变量                                  
(5) whos             列出当前工作空间中的变量及信息                             
                        或用工具栏上的 Workspace 浏览器                         
(6) delete <文件名>   从磁盘删除指定文件                                        
(7) which <文件名>  查找指定文件的路径                                          
( 9 ) clear all                从工作空间清除所有变量和函数                     
(10) help <命令名>      查询所列命令的帮助信息                                  
(11) save  name          保存工作空间变量到文件  name.mat                       
(12) save  name  x  y  保存工作空间变量 x y到文件  name.mat                     
(13)  load  name         下载‘name’文件中的所有变量到工作空间                 
(14)  load  name  x  y 下载‘name’文件中的变量x y到工作空间                    
(15)  diary name1.m   保存工作空间一段文本到文件 name1.m                        
         … diary off                                                           
(16)  type name.m      在工作空间查看name.m文件内容                             
(17)  what                    列出当前目录下的m文件和mat文件                    
↑   Ctrl+p 调用上一次的命令                                                    
↓   Ctrl+n 调用下一行的命令                                                    
←    Ctrl+b  退后一格                                                          
→   Ctrl+f    前移一格                                                         
Ctrl + ←  Ctrl+r    向右移一个单词                                             
Ctrl + → Ctrl+l    向左移一个单词                                              
Home  Ctrl+a  光标移到行首                                                      
End   Ctrl+e  光标移到行尾                                                      
Esc   Ctrl+u  清除一行                                                          
Del   Ctrl+d  清除光标后字符                                                    
Backspace Ctrl+h  清除光标前字符                                                
        Ctrl+k  清除光标至行尾字                                                
           Ctrl+c  中断程序运行                                                 
                                                                                
一．常用的窗口命令                                                              
help 启动联机帮助文件显示                                                       
what 列出当前目录下的有关文件                                                   
type 列出M文件                                                                  
lookfor 对help信息中的关键词查找                                                
which 找出函数与文件所在的目录名                                                
demo 运行MATLAB的演示程序                                                       
path 设置或查询MATLAB的路径                                                     
　                                                                              
二．有关文件及其操作的语句                                                      
cd 改变当前的工作目录                                                           
dir 列出当前目录的内容                                                          
delete 删除文件                                                                 
getenv 获得环境参数                                                             
unix 执行操作系统命令并返回结果                                                 
diary 将MATLAB运行的命令存盘                                                    
fopen 打开文件                                                                  
fclose 关闭文件                                                                 
fread 从文件中读取二进制数据                                                    
fwrite 向一个文件写二进制数据                                                   
fscanf 从文件读取格式化数据                                                     
fprintf 将格式化数据写入文件                                                    
fgetl 从文件中读行并放弃换行符                                                  
fgets 从文件中读行并保持换行符                                                  
ferror 查询文件的输入输出的错误信息                                             
feof 检查文件结束标志                                                           
fseek 设置文件位置指针                                                          
ftell 得到文件位置指针的位置                                                    
prewind 反绕一个打开的文件                                                      
tempname 建立临时的文件名                                                       
tempdir 返回一个已存在的临时目录名                                              
　                                                                              
三．启动与退出的命令                                                            
quit,exit 退出MATLAB环境                                                        
startup MATLAB自启动文件                                                        
matlabrc 启动主程序                                                             
　                                                                              
四．管理变量工作空间的命令                                                      
who 简要列出工作空间变量名                                                      
whos 详细列出工作空间变量名                                                     
load 从文件中读入变量                                                           
save 列出工作空间中变量存盘                                                     
clear 删除内存中的变量与函数                                                    
pack 整理工作空间的内存                                                         
size 查询矩阵的维数                                                             
disp 显示矩阵和文本                                                             
length 查询矢量的维数                                                           
　                                                                              
五．对命令窗口控制的常用命令                                                    
cedit 设置命令行编辑与回调的参数                                                
clc 清除命令窗口中的显示                                                        
home 将光标移动到左上角位置                                                     
format 设置输出格式                                                             
echo 显示文件中的MATLAB命令                                                     
more 控制命令窗口的输出页面