PPSC Computer Science Full Book test With Answers

PPSC Computer Science Full Book test

Sr. # Questions Answers Choice
1 Which is not a valid file type in LINUX. Socket FIFO Soft link Inode
2 Which LINUX command is used to update the modification time of a file. UPDATE MODIFY TOUCH UNTOCUH
3 Printer in the file structure can be found in. /etc /html /www /dev
4 If two files on same partition point to the same inode structure they are called. Soft links Hard links Copy links similar links
5 How many links are created when we create a directory file. 1 2 3 4
6 Which command is used to copy files. cp copy mv move
7 Which command is used to set limits on file size. U limit Alimit dlimit wilmit
8 What communication command provides communication to another user logged on by writing to the bottom of their terminal Chat Talk Write Sending
9 Which command gives the first byte where the difference is in the file 1 & file2 Diff differ Cmp Compare
10 Which one shows the name of the operating system. U name -n Uname -I U name - m U name -o
11 Default permissions of file can be changed with. Group Chperm chmod Chall
12 By which command content of a file can be searched. grep search srh show
13 Which command can be used to know the present working directory. pad pww pwd pdd
14 Which command is used to determine the path of an executable file. which whom locate wex
15 Which command changes a files group owner chmod chgrp chown chgrep
16 Which command is LINUX is concerned with backup. tar zip cpio untar
17 To display disk consumption of a specific directory which command is used. dd du dt di
18 Which command is used to extract a column from a text file. get tar untar cut
19 Tee command is used in LINUX for. <div>Read from an input and write to a standard output and file.</div> Read from an input Write to an output None of above
20 File inode number can be viewed by. -8 -1 -a -t
21 Which command is used to know the LINUX version. Uname Vname Iname s name
22 Which command is used to set terminal input output characteristics Atty stty dtty itty
23 Which command is concerned with LINUX kernel log messages. dmsg dmesg cmsg cmesg
24 Which command in LINUX is used for description any command. Help Man Detail Short detail
25 What control character signals the end of the input file. Ctrl + s Ctrl + z Ctrl + w Ctrl + d
26 Which among the following is used to write small program to control Linux Functionalities. Shell commands Shell script C Java
27 Which is the most important for Multi taskiing. Modularity Time sharing Multi programming Multi user
28 Which among following is considered as super daemon. Sysinit Grep Init Locate
29 What is the meaning of SVR 4 System five release 4 System version release 4 System five relocated 4 Storage files five release 4
30 What is property of UNIX. Multi user Multi processes Multi tasking All of above
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