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Unix

Unix
Which option will be used with ps command to slow the entire command line of the process being run?

-4
-1
#NAME?
-2

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Unix
The command to count the number of files in the current directory by using pipes, is

ls | wc
ls -l | wc -l
ls | ws -c
ls | wc -w

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Unix
Which shell's wild-cards is used to match a single character?

None of these
[!ijk]
?
*
[ijk]

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Unix
Which command is used to copy all files having the string chap and any two characters after that to the progs directory?

cp chap[12] /progs/*.*
cp chap?? progs
cp chap?? /progs/*
cp chap* progs

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Unix
Which command is used to assign only read permission to all three categories of the file 'note'?

chmod u+r,g+r,o-x note
None of these
chmod a-rw
chmod ugo=r note
chmod go+r note

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Unix
The second set of the three permissions (r-) indicates that

group has write permission only
group has read permission only
owner has read permission only
other has read permission only

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