1.2 Given a scenario, manage files and directories

Question 1

sed command

Answer 1

stream editor; ability to filter text in a pipeline.

-d –delete
-n,p – print lines that contain pattern
-s – substitute first string occurrence
-s,g – globally substitute og string with replacement string for each occurrence

Question 2

awk command

Answer 2

find and replace text
-F – field separator
-f – file
-v – assign a variable

Question 3

printf command

Answer 3

Provides the user with more control over how the output is formatted
-v assign output to a variable

Question 4

dd command

Answer 4

convert and copy a file; used to take a bit-by-bit image

-if=FILE – input file
-of=FILE – output file

Question 5

stat command

Answer 5

Display file or file system status
-L – deference
-f – file-system
-c – format

Question 6

file command

Answer 6

determine file type

-b – brief
-C – compile
-e – exclude

Question 7

rsync command

Answer 7

Used to copy file locally and to remote systems