Related Questions

Which command is used to copy all files having the string chap and any two characters after that to the progs directory?
A cp chap?? progs
B cp chap* progs
C cp chap /progs/*.*
D cp chap?? /progs/*
E None of the above
Which one of the following functions can be used to concatenate array elements to form a single delimited string?
A explode()
B implode()
C concat()
D concatenate()
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
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
Choose the word which is most nearly opposite in meaning to the word given. CONCATENATE
A Disclaim
B Impede
C Derail
D Unlink
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
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
EMP তে কয় অণু NADH তৈরি হয়?
A 1 অণু
B 2 অণু
C 3 অণু
D 4 অণু
While working with MS-DOS, which command is used to restore files that were backed up using the BACKUP command?
A COPY
B DISKCOPY
C RESTORE
D STORE
E None of the above
Assume that we have to convert “false” that is a non-string to string. The command that we use is (without invoking the “new” operator)
A false.toString()
B String(false)
C String newvariable=”false”
D Both false.toString() and String(false)

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