LPIC-1 exam 101 topics: command line tools, streams, pipes, process management, filesystem creation and the FHS.
39 cards · basic cards · AI-written, checked twice. Edit anything.
- What does the grep command do?
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Search for lines matching a pattern in text or files- What grep flag makes searches case-insensitive?
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-i (or --ignore-case)- What does sed do?
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Stream editor; filters and transforms text using regular expressions- What does awk do?
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Text processing language for pattern matching and field/record manipulation- What ls flag displays hidden files?
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-a (or --all)- What does the find command do?
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Search for files and directories based on various criteria- What does cut do?
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Extract columns or fields from lines of text- What does sort do?
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Sort lines of text in ascending or descending order- What does uniq do?
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Remove or report duplicate consecutive lines- What does xargs do?
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Reads input lines and builds and executes commands with those arguments- What is stdin?
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Standard input stream (file descriptor 0); where a program reads data- What is stdout?
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Standard output stream (file descriptor 1); where a program writes normal output- What is stderr?
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Standard error stream (file descriptor 2); where a program writes error messages- What does > do in shell redirection?
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Redirect stdout to a file (overwrites the file)- What does 2> do in shell redirection?
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Redirect stderr to a file
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