When displaying the contents of a text file using the "more" command, to find the word "pipe" enter:

• find pipe

• grep pipe

• pipe

• /pipe

The command to delete a directory and it's contents is:

• rm -i

• rm -r

• rm -p

• rm -f

The command to display file zoo with all alphabetic characters shown in uppercase:

• tr '[a-z]' '[A-Z]' < zoo

• uppercase zoo

• cat -u zoo

• vi 's/[a-z]/[A-Z]/g' zoo

With a umask of 016, what will be the default permissions for newly-created directories?

• -----xrw-

• rw-rw----

• rwxrw---x

• rwxrw----

The following commands have been entered:

$ who

lczegel

dsrybnik

leung

dmovshov

$ who | sort | tail -1 > who.sorted

who.sorted now contains?

• dmovshov

• leung

• dsrybnik

• lczegel

Which of the following commands will set the minimum permissions to allow all users to list the names of files in the /bin directory:

• chmod a+r /bin

• chmod a+x /bin

• chmod 444 /bin

• chmod 111 /bin

$ ls

pgm pgma pgmaa pgmabc pgmxa

Which files will the command "ls ???a" list?

• pgma pgmaa pgmxa

• pgma pgmaa pgmabc

• pgma

• pgma pgmaa pgmabc pgmxa

A pipe connects the following:

• stdout of command on the left to stdin of command on the right

• stdout of command on the left to stdout of command on the right

• stdin of command on the left to stdin of command on the right

• stdin of command on the left to stdout of command on the right

Write the symbol for the parent of the current directory.

Write the symbol of the root directory.