LFCS 2024/2025 Exam Questions and
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cat - 🧠ANSWER ✔✔cat - concatenate files and print on the standard output
sed - 🧠ANSWER ✔✔sed - stream editor for filtering and transforming text
The name sed is short for stream editor. For those unfamiliar with the term, a
stream editor is used to perform basic text transformations on an input stream
(a file or input from a pipeline).
The most basic (and popular) usage of sed is the substitution of characters.
uniq - 🧠ANSWER ✔✔uniq - report or omit repeated lines
The uniq command allows us to report or remove duplicate lines in a file,
writing to stdout by default.
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, uniq is commonly used along with a preceding sort (which is used to sort lines of
text files).
top - 🧠ANSWER ✔✔display Linux processes
pgrep - 🧠ANSWER ✔✔pgrep, pkill - look up or signal processes based on name
and other attributes
ps - 🧠ANSWER ✔✔ps - report a snapshot of the current processes.
ps displays information about a selection of the active processes. If you want a
repetitive update of the selection and the displayed information, use 'top'
instead.
nice - 🧠ANSWER ✔✔nice - run a program with modified scheduling priority
renice - 🧠ANSWER ✔✔renice - alter priority of running processes
renice alters the scheduling priority of one or more running processes. The first
argument is the priority value to be used.
Example: renice 10 1292
kill - 🧠ANSWER ✔✔kill - terminate a process
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619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
Answers 100% Guaranteed Success |
Already Rated A+
cat - 🧠ANSWER ✔✔cat - concatenate files and print on the standard output
sed - 🧠ANSWER ✔✔sed - stream editor for filtering and transforming text
The name sed is short for stream editor. For those unfamiliar with the term, a
stream editor is used to perform basic text transformations on an input stream
(a file or input from a pipeline).
The most basic (and popular) usage of sed is the substitution of characters.
uniq - 🧠ANSWER ✔✔uniq - report or omit repeated lines
The uniq command allows us to report or remove duplicate lines in a file,
writing to stdout by default.
Page 1 of 13
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
, uniq is commonly used along with a preceding sort (which is used to sort lines of
text files).
top - 🧠ANSWER ✔✔display Linux processes
pgrep - 🧠ANSWER ✔✔pgrep, pkill - look up or signal processes based on name
and other attributes
ps - 🧠ANSWER ✔✔ps - report a snapshot of the current processes.
ps displays information about a selection of the active processes. If you want a
repetitive update of the selection and the displayed information, use 'top'
instead.
nice - 🧠ANSWER ✔✔nice - run a program with modified scheduling priority
renice - 🧠ANSWER ✔✔renice - alter priority of running processes
renice alters the scheduling priority of one or more running processes. The first
argument is the priority value to be used.
Example: renice 10 1292
kill - 🧠ANSWER ✔✔kill - terminate a process
Page 2 of 13
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER:
619652435. TERMS OF USE. PRIVACY STATEMENT. ALL RIGHTS RESERVED
