SLG ULI Week 7

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.

(a)  

Write the symbol of the root directory.

(a)