C3 W2-3

In Bash, which of the following commands can you use to view the contents of a document. Check all that apply.

• open

• cat

• less

• Dog

In a Linux machine, you have the following files:

apple.txt banana.jpg chocolate.txt orange.txt

What command can you use to search for the word "fruit" in the text files in the above directory? Check all that apply.

• grep fruit apple.txt chocolate.txt orange.txt

• grep fruit *.txt

• find fruit apple.txt chocolate.txt

• find fruit apple.txt chocolate.txt orange.txt

In a Linux machine, you want to list through a directory called /home/ben/Documents and search for the word "important" in the filenames in that directory. Which of the following commands can you use?

• ls /home/ben/Documents | grep important

• ls /home/ben/Documents >> grep important

• ls /home/ben/Documents < grep important

• ls /home/ben/Documents > grep important

In a Linux machine, you have a file named "types_of_fish.txt" and you want to append the word "trout" to the file contents. Which of the following commands can you use?

• echo trout < types_of_fish.txt

• echo trout > types_of_fish.txt

• echo trout >> types_of_fish.txt

• echo trout 2> types_of_fish.txt

What are the basic linux file permissions? Check all that apply.

• Read

• Write

• Modify

• Execute

You're given the output of an ls -l of a file in Linux.

ls -l books_file

dr-x-wxr-- 1 phelan cool_group 0 Aug 20 11:10 books_file

Answer the following question: What does the first character of output signify

• The file owner is a class D user

• books_file is a disk device

• The file owner has delete permissions

• books_file is a directory

Which special permission bit is used to allow a file to be run as the owner of the file?

• SetUID

• SetGID

• Sticky bit

• Super bit

Which special permission bit is used to allow a file to be written to by anyone, but only removable by the owner or root?

• SetUID

• SetGID

• Sticky bit

• Read

What's the file extension of a debian package?

• rpm

• .pkg

• .dmg

• .deb

What's the difference between an EXE file and an MSI file? Check all that apply.

• An MSI file is an executable that can give you complete control over how your application should be installed.

• An EXE file is an executable that may have an MSI file as one its resources.

• MSI files are used by the Windows Installer to control how your application is installed.