its called overclocking, generally the processor is set to
a low clock rate which can be increased to higher clock
frequencies. Example a P4 3Ghz processor could be
overclocked to 4.2 Ghz but it requires a lot of skills and
additional heat sinks to dissipate the energy. Also, it can
lead to permanent damage of processor
Which one of the directory does not contain binary files? a) /bin b) /sbin c) /etc d) none of the mentioned
Which one of the following package management command-line tools is the odd one out?
Indicate the right option to search for anything not a letter or number a) grep '^[a-zA-Z0-9]' b) grep '[^a-zA-Z0-9]' c) grep '[a-zA-Z0-9]' d) None of the above in Search Pattern
One of the entry of /etc/passwd file is shown below
user1x11112222google/home/user1/bin/bash
Which among the following will print userid and home dir in the following pattern "user1/home/user1"?
a) awk `{print $1 "" $6}` /etc/passwd
b) awk `{print $1 "" $7}` /etc/passwd
c) awk `{print $2 "" $6}` /etc/passwd
d) awk `{print $2 "" $7}` /etc/passwdWhat is the command that can print lines of first file matching with second file? a) printline b) cmp c) com d) comm
How do you remove duplicate lines from the file foo using uniq? a) sort foo | uniq -u b) sort -u foo | uniq -d c) sort foo | uniq -c d) sort foo | uniq -I
who | cut -d " " -f1. What is the ouput if the who command displays like this user1 tty 0 1234? a) user1 b) user1 tty 0 1234 c) tty d) tty 0 1234
Which character to use to escape meaning of special characters in search operations? a) [] b) ^ c) . d)
Which one is used to select only one copy of the repeated lines? a) uniq -u b) uniq -d c) uniq -c d) uniq -I
Indicate the right option to search for BOB, Bob, BOb or BoB? a) grep -i Bob files b) grep 'B[oO][bB]' files c) grep '[BOB]' files d) grep -v 'Bob' files
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