Bài thi môn Linux pot

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BA.I THI MON LINUX
Thai gian: 50' (Khong tinh thai gian phMd~)
HQva ten:
Installation
1. Nhfrng ngu6n 1uutm nao khong th€ duQ'csu d\mg d€ cMd~t RHEL:
@UIa m~m
b) UIa Clmg
c) Chi dung CD ho~c DVD
d) M,:mg
2. Trong nhfrng thu m\lc sau, thu m\lc nao b~t bUQcphai n&mtrong phan vung chua /, khong
th€ n&mtren phan vung khac:
Va) letc
b) Ivar
c) swap
@/boot
3. Trong cac phat bi€u sau, phMbi€u nao chinh xac nh~t:
a) Phan vung swap b~t bUQcphili co d€ Linux dung lam nai trao d<3ibQnh6
@Phan vung swap nen co dung 1m;mg1~ han ho~c b&ng1uQ'llgRAM h~th6ng
V c) Phanvungswapkhongco h~thongvanho~tdQngduQ'c .
d) Khong th€ co nhi~u han hai phan vling swap tren Mth6ng
Managing Devices
4. Trong nhfrng l~nh sau, l~nhnao co th€ cho bi€t t~t ca cac <3Clmgv~t 1ydang duQ'csu d\mg
trong h~th6ng:
Va) df
$du
c) dd
, d) diskuse
5. May tinh co hai <3Clmg1aIDE 100GB, SCSI 20GB va dil cai d~t RHEL. K€t 1u~nnao trong
cac k€t 1u~nsau 1adung nh~t:

a) GRUB phai cai tren MBR cua <3IDE thi m6i khai dQngduQ'ch~th6ng
~
GRUB phai cai tren MBR cua <3SCSI thi m6i khai dQngduQ'cM th6ng
c) GRUB I?haicai tren ~oot Sector cua 1 trong 2 <3thi m6i khai uQngduQ'ch~th6ng
Ca ba ket 1u~ntren deu sai
6.6 SCSI thu hai cua h~ th6ng duQ'cphan thanh nam phan vung, hai phan vung chinh va ba
phan vung con n&mtrong phan vung ma rQng.Khi do phan vung con cu6i cung se duQ'canh
x~ thanh di€m k€t n6i nao trong Mth6ng file:
@dev/sdb5
b) Idev/sdb6 r - J ~ -\)}-~ .
V c) Idev/sdb7 f'lOxt U~~ C~l ~c,J ~
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d) Idev/sdb8
The Linux FileSystem
7. L~nh nao trong nhUng l~nh sau day dUng d~ ki~m tra va sua l6i logic cua h~ th6ng file
trong RHEL:
a) seandisk
b) ekfs
~filecheek
V@Vfsek
8. Sau khi dll anh x~ (mount) di~m k~t n6i eua mQtthi~t bi luu tm ngoai tu Idev/sdal vao thu
ml)e co ten la Imedialusb, l~nh nao trong cae l~nh sau se huy b6 anh x~ ngay l~p tile bAtk~
ngu eanh hi~n t~i eua h~ th6ng:
Va) reboot
b) umount Idev/sdal
5lumount Idev/sdal/medialusb
1- @umount Imedialusb
9. Dinh d~ng file eua phan vimg swap luan la:
a) ext3
b) ext2

~ vfat
V~swap
1o. L~nhnao trong cae l~nh duai day dung d~format phan vung trong RHEL:
f1@ fdisk
vb) mke2fs
c) fsek
d) format
11. D~ xae dinh cae diSm kSt n6i dang tfm t~i trong h~ th6ng, co thS su dl)ng l~nh nao trong
cae l~ duai day:
va) df
b) du
~fdisk
X Wproe/mount
12. Trong cae quy€n truy xuAtfile sau, quy€n nao eho phep mQtngwJi dung bAtky th\Ie thi
file co quy€n truy xuAtnay:
~ @O777
b) 1666
c) 2666
Vd)4555
The Command Line
13. Thil tv nao dung trong vi~e th\Ie hi~n lai gQil~nhtrong shell bash:
a) shell se tim trong duang d~nPATH va thi hanh l~nh d~utien tim thAy
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r
. !
'fJc12Yshellsetimtrongthu m\lchi~nhfmhtruac r6i mai timtrongduemgd~~BATH
c) shell se chi tim trong thu m\lc hi~nhfmh
d) shell se tim trong cac duang d~nPATH truac r6i mai tim trong thu m\lc hi~n hfmh
14. Chuang trinh hello d~t t~i thu m\lc /usrlbin khi thi hanh se in ra thi€t bi xuAtchufu1dong

chfr "Hello". L~nh nao trong cac l~nh sau ch~c ch~n se t~o file export.txt co nQidung la dong
chfr"Hello":
~ @/usrlbinlhello : export.txt
b) /usrlbinlhello» export.txt
c) /usrlbinlhello < export.txt
d) /usrlbinlhello 1>export.txt
15. Oiai thich ynghla cua l~nh sau: cat » file name « end of file:

"""';;':" '\"""\."""""""'" "/1' ";""';""""""'" ~ :""":'::"'"
:. '';.J.?i'"''''''''
l.~: t ~.tXJ ~ ~ u.~ ~ ~Q C."""f'~""~""'~""""
~ ~ ~d , t~ ~~ ~o;,~ 1,j':l.cl ~ """""""""""""""""""""""
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
File Management
16. Hay chQnl~nhcho phep thay d6i quy€n sa hfru file:
lC@chroot
b) chage
c) newgrp
vd) chgrp
17. Trong cac c~pbi~u diSn quy€ntroy c~p file d~ng s6 va chfr sau day, c~p nao tuang duang
nhau: .~ ~ £ t
a)',(i)644jra IWir-;r-x;
~"-~
b) 4655 va rwsr-xr-t
v~2755 va,l'W?5[-§f-x
~11755 va fWx(-xr-x
18. File inputdat co mQt lien k€t m€m (tuang d6i) la input.txt t~i cling thu m\lc /home/data.
L~nh sao chep sau: cp input.* /root se cho k€t qua nhu nao?
~a) T~o 2 file mai rieng bi~t nhau co ten la inputdat va inputtxt trong thu m\lc /root NQi
dung cua 2 file nay tuang duang nhau va la nQidung cua file inputdat cu.

~
Chi sao chep file inputdat, kh6ng sao chep lien k€t m€m la inputtxt
j ) Sa~ chep file inputdal binh thuem&,t~o 1 lien k€t m€m trong /root co ten la inputtxt,
len ket nay tro tai file inputdat ban dau (/home/data/inputdat)
d) Sao chep file inputdat binh thuemg, t~o 1 lien k€t m€m trong /root co ten la inputtxt,
lien k€t nay tro tai file inputdat mai chep (/rootlinputdat)
~ T~'
\)II t< \1' .
Process Management
19. f)~ huy bo ti€n trinh thu 3 dang ch~y trong h~u truemg, cAnphai dung l~nh nao:
@ kill -9 $3
b) kill -9#3
c) kill -9 3
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vd) kill -9 %3
20. U€ theo d5i du<;ychinh anh d~y du vS tinh tr~ng cac tiSn trinh va tai nguyen CPU, RAM
cuaMth6ng dn sIrd\lng l~nh nao: .
va) top
b) ps
~stree
d) jobs
Software Installation
21. Trong cac thu tv vS quy t~cd~t ten cac g6i RPM sau, quy t~c nao dUng:
@name-version-release
b) release-name-version
c) name-release-version
d) version-name-release
22. Gia sIr h~ th6ng s~p du<;yccai them g6i ph~n mSm c6 ten file la mypragramc;l.O.l.rpm,
trong cac Iva ch9n sau, Iva ch9n nao cho biSt chinh xac cac t~p tin se du<;ycghi them/c~p nh~t
sau khi da cai d~t g6i nay:

fJ @rpm -Uvh mypragram-1.0.1.rpm
,JJ) rpm -ql myprogram-l.O.l.rpm
~) rpm -qpl myprogram-1.0.1.rpm
d) rpm -ivh myprogram-l.O.l.rpm;
Managing Groups and Users
23. Trang cac l~nh sau, l~nh nao dung d€ chuy€n ngmJi dung hi~n thai tir nh6m hi~n hanh nay
sang nh6m hien hanh khac:
f; @raup~dd '-7 ~0 (\.~(-\: t'i\C'-h~
b) groups C (cu) £I!\. \\\~ 9. ~ ~ ~
vc))'newgrp ~ \j-R~ iv~,- 1L-~~" ~CN,-q ,'-~~ -=¥
dJ ch
grp
~ '"'/ . /"" ~
'lv~ C~\!'~~ cud: NrLo~ .
24. File /etc/passwd dung d€ luu cac thong tin vS ngmJi dung theo cac dong, m6i dong la mQt
t~p cac thong tin vS 1nguai dung cach nhau bai 1 d~u hai ch~m, trang d6 thong tin thu 3 t~i
m6i
~
' g la:
a roup ID
. ser passwd ~f, " r
c) user home directory
Vd) user ID
25. Trang mQth~ th6ng c6 sIr d\lng chuc nang ch6ng an trQmm~t khAuda ma h6a cua ngmJi
dung, m~t khAuse du<;yeluu t~i:
a) /ete/passwd
@>/ete/shadow
e) /ete/userpasswd
d) fete/password