20180605 Morning Lesson Records 25-linux

1.VI, clear the contents of the file, and then copy the contents from window Notepad to the Linux file, which commands? What's the point of note?

Command line mode input GG + DG empty file Note to copy in edit mode, if you copy in command mode, the first few lines will be lost

2. Execute a command that says not found, so what do you think?

First see if the command is wrong and check the environment variable or find is not in the installation

3. What environment variables are we looking for when we execute the order?

PATH

4. Determine if a component is installed, what the command is

Rpm-qa | Grep-i xxx

5. If we encounter a very card during the editing process, then we interrupt the session abnormally, then what format does the file exist? How to view

. SWP???? Hide file???? Ls-la

6. If we write a xxx.sh script in window, upload Linux through the RZ command, execute the script will report an error XXXX, and then use the command Unix2dos to format the script

Note the encoding format

20180605 Morning Lesson Records 25-linux