1- What file in the etc/ directory contains user’s hashed password?
2-What file and file-field are read by the finger command?
3- When a parent process dies, what happens to any child processes that are still
4- What is the effect of the command: $ killall root (Where root is the root account
of the system)
5-List 4 shortcomings of root accounts:
6-Write a BASH command that would force the OS into single-user mode.
7-Explain when it would be necessary to use the non-rewinding interface file of any
8-In the file permission listing –rwsr--r--, what does ‘s’ signify?
9-Create a BASH script that performs file system cleanup by finding and removing
all files in and below your home directory that have a (.core) or (.tmp) extension.
10-Show the crontab file entry that would run the script from question 1, every
Monday, Wednesday, and Friday at 5:30 AM. Assume the name of the script is
fileCleanup.sh and that it is located in the ~/script directory.
11-Create another script that asks a user to enter a search term from the console &
then uses that term with grep to search all log files in the dev/logs directory for
12-What regular expression would you type into the script from question 33 if you
were looking for kernel errors in the category or kern.alert, kern.crit, or kern.emerg
13-Write a regular expression that would find date fields of the form: mm-dd-yyyy
and where the field is delineated with either tabs or spaces.
14-Compare and contrast the use of conventional hard-drives as a primary storage
medium against the newer Solid State Devices, (SSDs).
15-Describe the part of the boot process that locates and mounts an Operating
System to main memory.
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