Review for quiz

• filesystems
  • mounting / unmounting
  • fstab
  • files and directories
• files and directories
  • protection / changing
  • effects of protections
  • setuid/setgid
• users and groups
  • creating
  • UID/GID
  • /etc/passwd
  • /etc/group
  • /etc/shadow
• user environment
  • shells
    • startup command files (csh.cshrc, .cshrc, csh.login, .login)
    • common options
  • paths (execution, library, manual)
  • path shadowing
  • scripts
    • creating
    • protection

Sample problems

1. Give the command for adding /local/share/man to your manual path. Leave the existing manual path alone (in tcsh.
2. Suppose the files and directories in your system are protected as follows: