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Computer Operator and Programming Assistant (COPA)
DOS AND LINUX OPERATING SYSTEMS
Set 5
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Q1948
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Which DOS command is used to display system time?
A
Now
B
TIME
C
SYSTEM
D
SYSTEMTIME
Q1949
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What in the result of the DOS command PROMPT $D$G?
A
Prompt >
B
D : >
C
Current date >
D
Current time >
Q1950
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Which DOS command is used to list all com files in D drive?
A
DIR D :\ com
B
DIR D :\ com. *
C
DIR D :\ * .com
D
DIR D :\ * com *
Q1951
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Which Linux command is used to sort the text file ?network? in descending order?
A
Sort / r network
B
Sort - r network
C
Sort + r network
D
Sort \ r network
Q1952
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Which Linux command to set the permission 'x' to user, 'rw' to others and 'rwx' to group for the file launcher
A
chmod 176 launcher
B
chmod 671 launcher
C
chmod 167 launcher
D
chmod 166 launcher
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