- Hidden files are files that begin with what character?
- A dash (-)
- A plus (+)
- A period (.)
- An asterisk (*)
- What option for the
ls
command will display all files, including hidden files?- -L
- -H
- -w
- -a
- The top-level directory on a Linux system is represented as:
- /
- C:
- /home
- /root
- Is the following path absolute or relative?
/etc/ppp
- Absolute
- Relative
- Is the following path absolute or relative?
sysadmin/Documents
- Relative
- Absolute
- Is the following path absolute or relative?
../../home/sysadmin
- Relative
- Absolute
- The tilde (~) is used to represent:
- A user’s home directory
- Any two single characters
- The directory above the current working directory
- Nothing; it has no special meaning
- Which of the following commands can be used to access the home directory of the user “bob” while logged in as root? (choose two)
- cd /home/bob
- cd ~bob
- cd &&
- ~bob
- The double dot (..) can be used with the
cd
command to represent:- The directory above the current working directory
- Nothing; it has no special meaning.
- Any two single characters
- A user’s home directory.
- The
cd
command by itself will take you to what directory?- The system root directory
- None; it is not a valid command
- The directory above the current working directory
- Your home directory
- What command will allow you to change your current working directory?
- chdir
- list
- cd
- ls
- The double dot (..) can be used to represent the directory…
- …above the current directory.
- …below the current directory.
- …with any two single numbers.
- …above the current directory only when using the cd command.
- The
ls
command without options or arguments…- …generates an error as this command requires arguments.
- …lists the contents of the current directory.
- …prompts for a directory to list.
- …lists the contents of a user’s home directory.
- The first character in a long listing (
ls -l
) indicates:- The permissions
- If something is a file, directory, or symbolic link
- The owner
- The size
- Which option for the
ls
command, when used in conjunction with the-l
option, will display human-readable sizes?- -M
- -S
- -H
- -h
- Which of the following commands will prevent any aliased options to the
ls
command?- /ls
- \ls
- %ls
- ls
- The
ls
command color codes results by default.
True or False?- True
- False
- The command
ls -S
will sort files:- By size, smallest to largest
- By number of symlinks, largest to smallest
- By modification date, newest to oldest
- By size, largest to smallest
- When using the
cp
command, you must provide both a source and a destination.
True or False?- True
- False
- Which option(s) can be used to prevent
cp
from overwriting an existing file? (choose two)- -n
- -N
- -z
- -i
- The command
rm -r
will…- remove a directory along with any files or subdirectories.
- prompt for each confirmation before deleting each file in a directory.
- remove only empty directories.
- generate an error; -r isn’t a valid option.
- Which option can be used with the
rm
command to prompt before deleting?- -i
- I
- -P
- A
- The
rm
command can delete multiple files at once.
True or False?- True
- False
- Which of the following commands can be used to rename a file?
- name
- mv
- rn
- cp
- The
touch
command can be used to: (choose two)- Create new files
- Change a file’s name
- Update the time stamp of existing files
- Change ownership of a file
26. The whatis
command is the same as man -w
.
- false
- true
The
whatis
command is the same asman -w
.false
true