Related Questions

Which command is used to list out all the hidden files along with the other files?
A ls -l
B ls -x
C ls -F
D ls -a
E None of the above
Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories?
A rm *
B rm -r *
C rm all
D rm *.*
E None of the above
On-line transaction processing is used when ______________. I) it is required to answer random queries. II) it is required to ensure correct processing. III) all files are available on-line. IV) all files are stored using hard disk.
A i, ii
B i, iii
C ii, iii, iv
D i, jj ,iii
Filename extensions help identify certain files. What filename extension identifies executable files?
A INF
B PRO
C EXE
D SYS
E None of the above
Batch files contain a group of MS-DOS commands that are run in successive order. What filename extension identifies batch files?
A COM
B BAT
C EXE
D SYS
E None of the above
Filename extensions help identify certain files. What filename extension identifies command files?
A COM
B BAT
C EXE
D SYS
E None of the above
Extended heat transfer surface like fins are used to increase the heat transfer rate. Fin efficiency is defined as the ratio of heat transferred across the fin surface to the theoretical heat transfer across an equal area held at the
A Surrounding temperature
B Average temperature of the fin
C Temperature of the fin end
D Constant temperature equal to that of the base
The scales form in heat exchanges after a period of operation and provide additional resistance to heat transfer with some heat transfer coefficient . The reciprocal of this scale heat transfer coefficient is called .
A scaling factor
B forming factor
C resisting factor
D fouling factor
Which of the following is used to transfer files?
A HTTP
B HTML
C FTP
D None of these
While working with MS-DOS, which command is used to copying the files to transfer from one PC to another one?
A Rename
B Path
C Dir
D Copy

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