Question

Comparing UNIX environments:
differences between kernels
differences between shells
differences between applications

1. You found differences in the way variables must be assigned.
These reflect differences between:
a. kernels
b. shells
c. applications

2. You found differences in the way underlying hardware information was returned.
These reflect differences between:
a. kernels
b. shells
c. applications

3. You found differences in where log messages are sent for storage.
These reflect differences between:
a. kernels
b. shells
c. applications

4. You found differences in the behavior of read.
These reflect differences between:
a. kernels
b. shells
c. applications

5. You found differences in the behavior of echo.
These reflect differences between:
a. kernels
b. shells
c. applications

6. Which version of vi is the most recent (newest), and least recent (oldest)?
a. ubuntu's is the newest, and CentOS's is the oldest
b. FreeBSD's is the newest, and CentOS's is the oldest
c. FreeBSD's is the newest, and ubuntu's is the oldest
d. ubuntu's is the newest, and FreeBSD's is the oldest

7. Which echo supports "escaped" symbols for control characters, e.g. \t for tab?
a. csh's echo does, bash's does not
b. bash's echo does, csh's does not
c. both do
d. neither does