Unix commands

Print Working Directory

pwd

List Contents

ls

Make Directory

mkdir

Change Directory

cd

Copy

cp

Move

mv

Remove

rm

Manual

man

Log File

script

Should you expect an output for pwd?

yes

Should you expect an output for ls?

yes

Should you expect an output for mkdir?

no

Should you expect an output for cd?

no

Should you expect an output for cp?

no

Should you expect an output for mv?

no

Should you expect an output for rm?

Yes if -f isn't used

Should you expect an output for man?

yes

Should you expect an output for script?

yes

What does the append option do?

It allows you to append a log file

What does the flushed option do?

It writes to the log file in real time

What does the forced (-f) option do?

It deletes without asking permission

What does the recursive (-r) option do?

It deletes folders

What is the difference between the copy and move commands?

Copy moves a file from one location to another without deleting the original while move deletes the original after the file is moved

What does the all (-a) command do?

It shows all files including hidden ones

What does the long (-l) command do?

It shows files in long format with options

What is the proper syntax for the ls command?

ls -options location/directory

What is the proper syntax for the mkdir command?

mkdir location/directory

What is the proper syntax for the cp command?

cp location/file.ext newlocation

What is the proper syntax for the mv command?

mv location/file.ext newlocation/newname.ext

What is the proper syntax for the rm command?

rm -options location/file.ext

What is the proper syntax for the script command?

script -options logfilename.txt

What is the absolute pathname of the E 115 Course Locker?

/afs/eos.ncsu.edu/courses/e/e115

What is the absolute pathname of my home directory

/afs/unity.ncsu.edu/users/d/dcmcfar2

What 2 commands are associated with text files?

More and less

What does the quota command show?

The amount of storage you have used

What does the add command do?

Installs a command through the command window

What does the attach command do?

Creates a shortcut to a directory

What subcommands of the file system command control who has access to files?

la and sa

What subcommands of the file system command control who has access to backups?

mkm and rmm

List access

la

Set access

sa

Make mount

mkm

Remove mount

rmm

What command allows you to create an archive?

zip

What does rlidwka stand for? What other access list options are there?

read, look, insert, delete, write, lock, admin. The other options are all and none

What is the proper syntax for the more/less comamnd?

more/less location/file.txt

What is the proper syntax for the attach command?

attach absolute_pathname

What is the proper syntax for the fs command?

fs subcommand path unityid accesslist

What is the syntax of the command to make a backup?

fs mkm BACKUP users.unityid.backup

How would you remove a backup?

fs rmm BACKUP

What command extracts files from an archive?

unzip

What is the proper syntax for the unzip command?

unzip location/file.zip

What is the proper syntax for the zip command?

zip zipfile.zip file1.ext file2.ext

On UNIX-based systems, the 'rm' command performs which function?

Deletes a file

Which flag is necessary to allow the "rm" command to delete directories

-rf

Which UNIX command is used to display a list of all files in the current working directory

ls-a

Which command would change the permissions on a file named 'gnomy.txt' to ensure that it was visible to strangers on the Internet?

chmod o+r gnomy.txt

Which command changes the current working directory to the parent directory?

cd..

Which command changes the current working directory to the root directory?

cd /

Which command changes the current working directory to the user's account home directory?

cd ~

Which command changes the current working directory to the current working directory?!!

cd.

Which command changes the current working directory to a sub-directory?

cd root

Which command changes the current working directory to the sub-directory named 'insolvent'?

cd insolvent

The command 'ls -l' shows the files and folders in the current working directory along with their metadata. One of the results shows the following metadata: 'drwxr-xr-x'. Is this a file or a folder?

Folder

The command 'ls -l' shows the files and folders in the current working directory along with their metadata. One of the results shows the following metadata: '-r-x------'. Is this a file or a folder?

File

With the following permissions, who has write permissions for this file or folder? ''-rw---xr-x'

The user who owns the file

Would the user who owns a file with the permissions '--wx-wx----' be able to read the contents of that file?

No

Which Unix command moves a file from one location to another

mv

In UNIX-based systems, the cp command…

Copies a file or folder from a source to a destination

Unix commands also generally work on Linux operating systems.

True

Linux was created to be a free (as in "freedom") clone of UNIX.

True

Which of the following operating systems are extensions of UNIX or Linux?

Apple OS X

Everything that can be done from the UNIX or Linux command line can also be done using an operating system's Graphical User Interface.

False