Unix 2

An open source software is a software

Postal Service UNIX

The relative pathname of a file in UNIX is with respect to

In the output of the ls –l sample command the leftmost three letters indicate the

An operating system can have both graphical and commmandline interfaces.
True False

When a user has execute permission for a directory UNIX allows the user to execute
all executable files in the directory.
True False

Organizing your files is critical to working in UNIX.
True False

What is the character used to separate elements on the UNIX command line?

The echo $HOME command displays the absolute pathname for your home directory.
True False

A frame in emacs can consist of many tiled windows.
True False

UNIX does not support file types.
True False

An inode in UNIX

Some UNIX commands may be typed with nothing following the command name itself.
True False

The routines that communicate directly with hardware are all concentrated in the
UNIX __________.

The execution of the umask command without argument

The number of processes executing on a system at a given time is known as system
throughput.
True False

All UNIX text editors are capable of

In UNIX there are four types of users of a file: owner of the file users who are owner's group everyone else and the superuser.
True False

Under UNIX __________ devices hold files.

In regards to data communications, logical connectivity refers to which of the following:

Bourne Korn C — What comes to mind

If you have write and execute permissions on ~/personal directory the ls –l ~/personal command executes properly and displays names of all the files and directory in ~/personal.
True False

You need only write permission for a directory in order to create a file in it.
True False

A user in a UNIX system can be part of more than one user group
True False

Although they may show up in a file name, UNIX itself does not support or offer special recognition of file
extensions.
True False

A hidden file is also called what?

Which of the following best describes what an editor buffer is?

The mkdir –p ~/personal/taxes command can be used to create the personal directory under your home directory and the taxes directory under the personal directory.
True False

Latency time for a disk depends on how fast its head can move.
True False

You don't really need to know the exact syntax of a UNIX command to use it.
True False

An example of an e-mail user agent program is which of the following?

In which vi mode do you actually type-in the text?

When typing UNIX code or commands UNIX is case-sensitive.
True False

What is the fundamental purpose of e-mail?

Which of the following keystroke commands in pico save your edits?

The UNIX shell program acts as an interface between you and the UNIX kernel.
True False

UNIX is a single user system.
True False

The ls –l command displays the long listing of the files in the current directory if the permissions on the current directory are set to 440.
True False