which is the fastest memory
hard disc
main memory
cpu registers
cache memoy
technique to handle deadlock
deadlock prevention
deadlock detection
deadlock avoidance
all of the above
indexing is used to sort
True
False
kernel is known to be the heart of operating sistem
What command is used to run another command immune to hangups, logouts,and quits?
hup
nohup
attachtoroot
daemon
What is sticky bit?
It is a file permission that allows the program's text part to stay in swap memory after its execution
UNIX don’t have sticky bit
It’s a Linux only feature
None of above
What is shadow in UNIX?
It is a file
It is a process
It is a command
It is a file containing encrypted password & Login info
can a file's modified timestamp be modified? If so how?
No
Yes
Yes;using touch command
Yes;using time system call
What does umask do?
It puts a mask on user accounts
It means unix mask
default permissions
default names
Linus Torvalds developed
CShell
Kernel
BIOS for Linux
Full Linux OS