This is a program of a UNIX command interpreter and the reference shell is TCSH.
You can execute many commands like: cd, ls...
make
./mysh
Change the current repository by using the command CD
cd 'folder'
List directory contents of files and directories with the command LS
ls
Redirect standard output into a file
ls > 'file'
Redirect standard output and append into a file
ls >> 'file'
Redirect content of file as input
cat < 'file'
Make a infinite loop as long as you don't write the name after "<<", and then execute the command
ls << 'name'
Redirect a command executed output into a another command as input
ls | cat -e
Exit the program ( You can also use CTRL + D )
exit