How to mount a file system?
fsck
fsmount
mount
mountfs
How many run levels are available in Unix
1
2
5
6
What is the purpose of sync command?
To synchronize user applications
To synchronize keyboard and monitor
To synchornize disk buffers
To syschronize main memory and cache memory
User's with user id as 0 (Zero) are
Printer users
Not allowed to login using rlogin/ssh
root users
User id cannot be 0
"Count the number of errors in the statement if [password = password1] then echo password else password"
0
4
How do I uncompress a file?
gunzip/expand
gzip
zip
winzip
How do I tar/untar a file?
tar -cvf file/tar -xvf file
tar -xvf file /tar -cvf file
tar -cvf file.tar /tar -xvf file.tar /
tar -xvf file.tar /tar -cvf file.tar /
I know linux can multitask -- how do I switch between programs?
fg,bg, &
switch
None
Both
For some file the access permissions are modified to 764. Which of the following
Every one can read, group can execute only and the owner can read and write
Every one can read and write, but owner alone can execute
Every one can read, group including owner can write, owner alone can execute
What is a system call()
A request by the users to access kernel functions
A request by kernel to the device
A request by the device to kernel