Install python command: sudo apt install ipython
Font enlarged terminal ctrl + shift + =
reduced font ctrl + -
ls list to view the contents of a folder in front of hidden files ls -a view there. The hidden files
ls -l to view the folder details ls -lh more detail
on behalf of any number of characters ls 1 beginning with a file ending with a 1 * 1 1 file
? It represents a single character ls 1? Only one word beginning with a file of 1
[] represents the character set [12345] .txt [1-5] can be
pwd View current folder pwd wrok directory
cd Change folder change directory cd ... back to the parent directory
cd directly to home directory
cd - switched in the last two directories
touch New File
Create a directory mkdir make directory mkdir -pa / b / c / d progressive create folders
rm remove deleted files rm -r delete a folder
clear clear screen
Desktop Desktop
rm -r delete a folder
command --help和man command
Use man operation keys and more space Next
Enter the next line
b roll back a screen
roll screen before a f
q Exit
/ word search
tree file directory and file directory tree -d display only
Copy move files
cp Copy files cp source destination file to overwrite the file prompt -i -r copy directories
mv move files and folders are prompted to overwrite the file -i
View Files
cat View full contents of the file more split-screen display file contents
cat -b to display the number of rows to write blank lines -n display
grep text search
-n Display line numbers
-v does not contain all rows
-i ignore case
^ ^ A beginning of a line search