CSCE 3600 exam 1 Questions and Answers Already Passed
true - Answers(T/F) Applications interact with the kernal through system calls?
user and kernal mode - AnswersThe dual mode operations of an operating system are called __ modes.
1. Application software
2. System software - AnswersWhat are the 2 major software categories in System Software Design?
1. Process Control
2. File Manipulation
3. Device Manipulation
4. Information Maintenance
5. Communications - Answersname 5 system calls categories in linux.
false - Answers(T/F) In an operating system, users can manage hardware directly and ignore the OS
interface
false - Answers(T/F) in Linux, the OS knows that a program is going to use a system call, so the
application is always running in kernal mode
1. provides direct interface to hardware and applications
2. management of resources such as file, processes, devices, etc. - AnswersGive one example of what
the kernal in linux is responsible for:
trap-mode bit - Answerstransfer control to the kernal mode
return-mode bit - Answersreturns to the user mode after servicing request
true - Answersthe linux "find" command can also be used to perform actions, such as the chmod
command, on files matching the given pattern
no - Answers(yes/no) Consider the following result from the ls -l firstexam command in Linux:-r-xr----x 1
xyz0123 csce3600 124 Oct 5 14:30 firstexam. Assuming that you are not user xyz0123, can you as a
member of group csce3600, execute the command firstexam?
multiuser, multitasking operation system - Answerslinux is a __ system.
-r--r-xr-x - AnswersAfter issuing the command chmod go+rx test.c, which of the following file
permissions is possible for the regular file test.c?
542 - AnswersWhat octal number would be used with the chmod command to give a file or directory the
r-sr---w- permissions?
true - Answers(T/F) Applications interact with the kernal through system calls?
user and kernal mode - AnswersThe dual mode operations of an operating system are called __ modes.
1. Application software
2. System software - AnswersWhat are the 2 major software categories in System Software Design?
1. Process Control
2. File Manipulation
3. Device Manipulation
4. Information Maintenance
5. Communications - Answersname 5 system calls categories in linux.
false - Answers(T/F) In an operating system, users can manage hardware directly and ignore the OS
interface
false - Answers(T/F) in Linux, the OS knows that a program is going to use a system call, so the
application is always running in kernal mode
1. provides direct interface to hardware and applications
2. management of resources such as file, processes, devices, etc. - AnswersGive one example of what
the kernal in linux is responsible for:
trap-mode bit - Answerstransfer control to the kernal mode
return-mode bit - Answersreturns to the user mode after servicing request
true - Answersthe linux "find" command can also be used to perform actions, such as the chmod
command, on files matching the given pattern
no - Answers(yes/no) Consider the following result from the ls -l firstexam command in Linux:-r-xr----x 1
xyz0123 csce3600 124 Oct 5 14:30 firstexam. Assuming that you are not user xyz0123, can you as a
member of group csce3600, execute the command firstexam?
multiuser, multitasking operation system - Answerslinux is a __ system.
-r--r-xr-x - AnswersAfter issuing the command chmod go+rx test.c, which of the following file
permissions is possible for the regular file test.c?
542 - AnswersWhat octal number would be used with the chmod command to give a file or directory the
r-sr---w- permissions?
