Quiz #2: Filesystems and processes

Held in-class on Tuesday, October 16. Questions recalled from memory so they are paraphrased and may contain errors.

1Question 1¶

Why is are boot loaders stored in ROM rather than RAM?

1.1Solution¶

ROM is not volatile while RAM is

2Question 2¶

What three things do threads of the same processes share?

2.1Solution¶

Data section, code section, open files.

3Question 3¶

What is stored in the system-wide file table?

3.1Solution¶

Location of the file on disk, access dates, file size.

4Question 4¶

What is the UNIX command for changing access privileges on a file called foo so that the owner has read, write and execute permissions, the group has write permissions, and everyone else has read permissions?

4.1Solution¶

chmod 724 foo