A little command line crash course
tip:
- use
tabfor avoid writing complete name. - use up/down arrow key for recently used command.
How to exit from the cmd
>exit
how to terminate any running process
ctrl+c will cause termination of any running operation and will bring you to command line prompt.
get help with particular command
>help <command-name>
How to change drive in CMD
put the drive alphabet along with colon
>c: # navigate to c
>d: # navigate to d
How to clear the console
use cls
>cls
Navigate to folder with space
cd to naviagate to any folder( not drives)
>cd "new folder"
navigate to multiple levels
cd with complete path
>cd aryan/movies
list all files and folders
dir to list files and folders
>dir
get clean list
dir /b it will clear the clutter
>dir /b
navigate to backward
cd .. will cause one level backward
cd .. # cd ../
navigate to multiple backward
cd / will cause root level
>cd /
how to make directory
>mkdir "folder name" # make in current directory
>mkdir "aryan khandelwal"/"folder name" # nested cmd
remove directory
careful deleted items won't be recoverable from recycle bin♻
🚮
>rmdir "file name"
remove non-empty directory
careful deleted items won't be recoverable from recycle bin♻
>rmdir /s "file name"
create a file with pre-content
# cmd #1
# below cmd will create a filename.txt with "" inside it.
>echo "" > filename.txt
# cmd #2
>copy con filename.txt
happy halloween
happy Christmas
# ctrl+z and enter to save
del files
not reversable
>del /p file.txt # delete file.txt with confirmation
>del /P *.txt # it will delete all files in current dir with confirmation. Omitting it might cause fatal damage.
command chaining (order matters)
below command will make dir and point to it.
>mkdir "hello world" && cd "hello world"
sequential execution
suppose there is not folder 📁 with the name aryan k. The second command will run regardless of first command execution.
>cd "aryan k" & echo "" > file.txt
# it will create file.txt in current folder
conditional execution
You can control your command if faliure.
>cd "hello" || echo "not exist" # incase of hello not exist it will print "not exist"
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