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.Management Sciences
Category: Basic of linux unix
What type of addressing format is used by Class A network ?
A. Net.Net.Net.Node
B. Net.Net.Node.Node
C. Net.Node.Net.Node
D. Net.Node.Node.Node
Which command is used to terminate all processes in your own system except the login shell ?
A. kill 1
B. kill 0
C. cancel all
D. cancel 1
What command is used with file named ‘letter’ to remove the executable permission from the user and assign read permission to the group and others ?
A. chmod go + x, u – x letter
B. chmod g – x, uo + r letter
C. chmod go + r, u + x letter
D. chmod u – x, go + r letter
The 32-bit internet address 10000000 00001010 00000010 00011110 will be written in dotted decimal notation as______________?
A. 128.10.2.30
B. 210.20.2.64
C. 164.100.9.61
D. 148.20.2.30
Which command is used to change directory to the name beginning with a ‘p’ ?
A. cd p
B. cd p?
C. cd p*
D. cd [p]
Which of the following commands is used to absolutely assign all permissions to the owner, read and write permissions to the group and only executable permission to the others of the file note ?
A. chmod 761 note
B. chmod 671 note
C. chmod 167 note
D. chmod 4=rwx, g=rw note
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