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This set of Operating System Architecture Multiple Choice Questions & Answers (MCQs) focuses on Operating System Architecture Set 17
Q1 | The administrative information of a file is stored in
- vnode
- dnode
- inode
- snode
Q2 | The -t option to ls is used for
- sort according to time
- sor according to date
- sort according to name
- sort according to size
Q3 | The systems internal name to file is
- id
- i-number
- pid
- pid_t
Q4 | The first tow bytes in each directory entry are
- connection between id and name
- connection between name of file and its contents
- connection between if and its contents
- connection betweeen id and contents
Q5 | The rm command removes
- directory entries
- removes inodes
- removes names
- removes files
Q6 | primary parts oc c comipler is in
- /dev
- /lib
- /bin
- /etc
Q7 | The basic program such as who and ed resids in
- /dev
- /lib
- /bin
- /etc
Q8 | various administrative fils such as password file in
- /dev
- /lib
- /bin
- /etc
Q9 | Short lived files created during execution are stored in
- /tmp
- /lib
- /bin
- /etc
Q10 | which of following features of UNIX may be used for IPC
- signals
- ipes
- semaphores
- all of these
Q11 | In a system 5 peole are currently using VI editor, then no. of currosonding rocesses will be
- 1
- 5
- 2
Q12 | the command echo welcome >/dev/tty
- echoes welcome in all the gtermonals that are switched on
- echoes welcome in all the terminals which are logged on
- echoes welcomes only in terminal in which it is run
- a&c
Q13 | dev/nul
- it is a file
- has write operation for all
- built in dest bin
- all of these
Q14 | The advantage of binary files over text file is
- it is compact
- it can be accessed faster.
- they are more reliable
- all of these
Q15 | UNIX uses ls to list files in a directory. The corresponding command in MS environment is
- lf
- listdir
- dir
- none of these
Q16 | For some file the access permissions are modified to 764. Which of the following interpretation is valid:
- 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
- none of these
Q17 | Which directory under the root contains the information on devices
- /usr/bin
- /dev
- /usr/peripherals/de v
- /etc/dev
Q18 | Which option makes the command to ask the user for confirmation before removing each file
- rm-i
- rm-r
- rm-f
- rm-rf
Q19 | which opttion deletes all files in the current directory and all its subdirectories
- rm-i
- rm-r
- rm-f
- rm-rf
Q20 | which option is used for forcing removal operation
- rm-i
- rm-r
- rm-f
- rm-rf
Q21 | which option in used for deleting everything in current directory and below.
- rm-i
- rm-r
- rm-f
- rm-rf
Q22 | which command is used for renaming a file
- mv
- cp
- rm
- cv
Q23 | which command is used for displaying contents of a file
- mv
- cp
- rm
- cv
Q24 | which command is used for copying a file
- mv
- cp
- rm
- cv
Q25 | Which command is used to determine a type of file
- infile
- file
- wc
- cp