HW1 Prelab

hw1prelab.md

1. What will happne if you type man man in Linux?
2. How can you use the command ls to find out about the size of file /etc/lilo.conf
3. What happens if you have two files with names file1 and file2 and you type mv file1 file2? Which option of mv issues a warning?
4. What is the command that you issue if you are in directory / and want to copy the file /mydata to directory /labdata
5. What is the command that you issue if your are in directory / and want to copy all files and directories under directory /mydirectory to directory /newdirectory?
6. What happens if you type the command rm * in a directory?
7. What is the command that you issue if you want to delete all files and directories under the directory /mydirectory

1. man man in Linux gives back the man pages for using the program man.
2. you could write ls -l /etc or
   ls -l /etc/ | grep lilo.conf
3. The contents of file1 overwrite the contents of file 2. ( in essence a blind delete of file 2 ). mv -i issues a warning.
4. you could write cp -r /mydata /labdata
5. you could write cp -avr mydirectory/* newdirectory
6. If you type rm * in a directory, it will delete everything in the directory
7. you could type rm /mydirectory/*