Simple tips and commands for Linux beginners (1)

Simple Linux skills and commands (1) Simple Linux commands: df Th view disk usage the Prt SC SysRq key on the keyboard captures the Alt + Prt SC SysRq key on the full screen keyboard to capture a Single Window ctrl + l clear screen ctrl + shift + "+" screen zoom in ctrl + "-" ctrl + space on the screen to change the input method Linux tips (shortcut keys): tab key to complete the remaining content up the arrow to find the previously entered command to crack the password: press any key on the boot screen --> press the letter "e" (edit) --> select "kernel ...... "This item --> press the letter" e "--> space, enter the number 1, press enter --> press the letter" B "(Guide to the System) --> enter "passwd", Press enter --> enter the password, press enter, and then press enter --> init 5 (enter the graphic interface)