1How can you get man to print all the commands that have a specific word in their man page (or at least the description part of the man page)? (hint: man man)
2Where are the cp and wc programs located in the file system?
3What executable programs have names that are just one character long, and what do they do?
4Suppose a command is scheduled by cron to execute at 02:30 every day. When daylight saving time begins, and the clock jumps forward from 02:00 to 03:00, when (if at all) is the command run? How about when daylight saving time ends, and the clock jumps backward from 03:00 to 02:00?
5When you execute the command named by the symbolic link /usr/bin/cc, which file actually is executed?
6The chmod program changes permissions on a file. What does the symbolic mode g-s mean, in terms of permissions?
7The find program lets you search for files. What program, related to find, lets you do the same thing faster?
8What option to find lets you search for files that have been modified in the last 3 days?
9Use the previous answer to find all directories modified in the last 3 days.
10Of the files in the same directory as find, how many of them are symbolic links?
Who wrote the ls program?
11What is the oldest regular file in the /usr/lib directory?
12Several useful commands start with wh. Which one will tell me my name? Which one will tell me what the previous one does?
13Which one will tell me the location of the program that will run if I type the program name at the prompt?
14In Vim, what does the dw command (in command mode) do?
15Where does the locale command get its data from?