03112014

Question 0

Search for files in a directory hierarchy

Answer 0

find

cd /usr
find -name bash
find -name bash*
find -name bin

Question 1

A file can be copied from another location to the current directory

Example:
1. Create “somefile” in /tmp and copy to your current directory

2. Copy bash file from /bin to /tmp

Answer 1

cp /tmp/somefile

cp /bin/bash /tmp

Question 2

Find files by name

Answer 2

locate

Question 3

The ____ command uses the updatedb database to find files or directories on the entire system

Answer 3

locate

locate gnome-terminal
locate vim
locate ifconfig
locate -i sudo

Question 4

CREATING TEXT FILES -VIM

Answer 4

cd /tmp
vim lbookfile1.txt
Press A
Type some words
Esc to get out Insert Mode
Press : to enter command mode
w to save file
wq to save and quit vim

Question 5

CREATING TEXT FILES -EMACS

Answer 5

cd /tmp
emacs -nw lbooktest3.txt
type a few lines
Ctrl C and then ctrl S
Ctrl H for help
Ctrl x

Question 6

Determine file type

Answer 6

file

A binary file is what the computer “reads” (e.g. vim is a binary file)

cd /tmp
ls > temp.txt
file temp.txt
file /bin/bash