Which command allows you to determine if a host is connected to the Internet?
ls
dir
ping
host
The file assign4.html has permissions set as rwxrwxrwx
The file is really a directory and was named incorrectly.
It is impossible for an html file to have permissions set that way.
Everyone can read, write, and execute the file.
The file can not be viewed on the WWW.
What is the use of INITIALIZE verb?
Used to initialize some value to a variable
Numeric values are set to zero, alphabetic and alphanumberic variables are set to spaces.
All variables are set to spaces.
None of the above
When a thread blocks on I/O, which of the following are true?
The thread enters the ready state
The thread enters the dead state
No other thread may perform I/O
The thread enters the waiting state
What is the command used for redirecting the standard error (stderr) to a file?
>>
2>
<2
What is the result of doing the following? date >> file
The date output is redirected to the file.
The date output is redirected and appended to the end of the file.
The date output is redirected and appended to the beginning of the file.
Which of the following will return the exit code of the last executed command?
$%
$#
$?
$!
What is the command used for changing the scope of a shell variable to a global variable?
global
shell
export
What is the command used for printing in Shell Script?
print
printf
echo
echo$
What is the command used for defining a shell variable?
setenv
setexp
set
unset