LATEST UPDATE (ALREADY GRADED A+)
The directory is a type of file
True
_________ Linux command is used to count the total number of lines, words, and characters
contained in a file.
wc
Which Linux command is used to go back from a directory to the directory before that?
cd ..
How many types of basic permissions are available in Linux to grant a user?
3
In a multiuser multitasking Linux operating system, what does "multitasking" refer to?
The capability of the operating system to run multiple programs concurrently on a single processor.
You need to list all files and directories in the current directory, including hidden ones. Which linux
command would you use?
ls -a
You need to copy a file named "report.txt" to a directory named "backup". How would you do that?
Choose the right command.
cp report.txt backup
What is the output shown for a type echo command?
echo is a shell built-in
After issuing the command chmod go+rx apple.c, which of the following file permissions is possible for
the ordinary file apple.c?
Hint: g stands for group and o stands for others
-rwxr-xr-x
In a system call, the user has super-privileges whereas the kernel has no privilege.
False
When a process running in user mode makes a system call to open() to access a file, what accurately
represents the role of kernel and user mode,