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128 articles · Page 2 of 2
MaGe Linux Operations
MaGe Linux Operations
Mar 17, 2019 · Fundamentals

Master Linux Regular Expressions: Essential Metacharacters and Practical Examples

This article introduces Linux regular expressions, explains the two types of metacharacters—shell and regex—shows how to enable colored output with grep, provides a sample test file, and demonstrates numerous practical pattern-matching examples ranging from simple word searches to complex character class and repetition constructs.

LinuxShell Scriptinggrep
0 likes · 5 min read
Master Linux Regular Expressions: Essential Metacharacters and Practical Examples
Efficient Ops
Efficient Ops
Jan 14, 2019 · Operations

Master Essential Linux Shell Tools: find, grep, awk, and More

This guide presents a comprehensive overview of the most frequently used Linux shell utilities for text processing—such as find, grep, xargs, sort, uniq, tr, cut, paste, wc, sed, and awk—offering practical examples, key options, and best‑practice recommendations for efficient command‑line workflows.

LinuxShellawk
0 likes · 17 min read
Master Essential Linux Shell Tools: find, grep, awk, and More
MaGe Linux Operations
MaGe Linux Operations
Jan 1, 2019 · Operations

Mastering grep: 12 Powerful Ways to Search and Filter on Linux

This guide walks you through installing grep and demonstrates twelve practical techniques—including searching packages, filtering files, finding media, showing context lines, counting matches, recursive searches, exact word matches, and handling compressed files—so you can harness its full power on Linux systems.

LinuxShellcommand-line
0 likes · 9 min read
Mastering grep: 12 Powerful Ways to Search and Filter on Linux
MaGe Linux Operations
MaGe Linux Operations
Nov 26, 2018 · Operations

Master Essential Linux Commands: grep, ls, find, wc, and More

This guide provides a comprehensive overview of common Linux command‑line tools—including grep, ls, find, wc, cat, tail, head, du, which, whereis, sort, netstat, more, less, ps, tmux, ack and kill—detailing their basic syntax, useful options, and practical examples for both macOS and Debian environments.

Linuxcommand-linefind
0 likes · 18 min read
Master Essential Linux Commands: grep, ls, find, wc, and More
ITPUB
ITPUB
Apr 9, 2018 · Fundamentals

Mastering grep: 12 Powerful Ways to Search and Filter Files on Linux

This guide walks you through installing grep, then demonstrates twelve practical techniques—from locating installed packages and filtering configuration files to counting matches, recursive searches, and using extended regular expressions—empowering you to efficiently search and process text on any Linux system.

Linuxcommand-linefile-search
0 likes · 9 min read
Mastering grep: 12 Powerful Ways to Search and Filter Files on Linux
ITPUB
ITPUB
Mar 24, 2018 · Fundamentals

Master Linux Text Processing: Essential Shell Commands and Practical Examples

This guide introduces the most commonly used Linux shell tools for text processing—including find, grep, xargs, sort, uniq, tr, cut, paste, wc, sed, and awk—providing concise explanations, useful options, and real‑world command examples to help you handle files efficiently.

LinuxShellawk
0 likes · 17 min read
Master Linux Text Processing: Essential Shell Commands and Practical Examples
ITPUB
ITPUB
Mar 7, 2018 · Fundamentals

Mastering grep: 12 Practical Linux Search Techniques

This guide walks you through twelve essential grep use‑cases on Linux, from installing the tool and listing packages to filtering files, displaying line numbers, counting matches, recursive searches, exact‑word matches, and working with compressed or regex‑based searches, all illustrated with clear command examples.

Searchcommand-linegrep
0 likes · 9 min read
Mastering grep: 12 Practical Linux Search Techniques
MaGe Linux Operations
MaGe Linux Operations
Jan 18, 2018 · Fundamentals

Master Essential Linux Shell Tools: find, grep, awk, and More

This guide walks through the most commonly used Linux shell utilities for text processing—including find, grep, xargs, sort, uniq, tr, cut, paste, wc, sed, and awk—providing practical examples, key options, and tips for combining them effectively in scripts.

Command-line ToolsLinuxShell
0 likes · 15 min read
Master Essential Linux Shell Tools: find, grep, awk, and More
MaGe Linux Operations
MaGe Linux Operations
Sep 26, 2017 · Fundamentals

Master Essential Linux Shell Tools for Text Processing

This article provides a comprehensive guide to core Linux shell utilities—including find, grep, xargs, sort, uniq, tr, cut, paste, wc, sed, and awk—showing practical examples, common options, and how to combine them for efficient text manipulation and system tasks.

ShellTextProcessinggrep
0 likes · 13 min read
Master Essential Linux Shell Tools for Text Processing
21CTO
21CTO
Aug 5, 2017 · Backend Development

How I Reduced Log Keyword Counting from Hours to Minutes Using PHP, Grep, Regex & Trie

This article walks through solving a massive log‑keyword counting task—600,000 short messages and 50,000 keywords—by evolving from a simple grep‑based approach to regex optimizations, word‑splitting, a trie data structure, and finally a multi‑process Redis queue, achieving a performance boost from hours to under ten minutes.

Log ProcessingMultiprocessingTrie
0 likes · 15 min read
How I Reduced Log Keyword Counting from Hours to Minutes Using PHP, Grep, Regex & Trie
ITPUB
ITPUB
Jun 6, 2017 · Fundamentals

Master Linux Text Processing: Essential Shell Tools and Practical Examples

This article provides a comprehensive guide to the most commonly used Linux shell utilities for text manipulation—find, grep, xargs, sort, uniq, tr, cut, paste, wc, sed, and awk—offering clear explanations, typical parameters, and real‑world command examples to help you handle files efficiently.

Shellawkfind
0 likes · 15 min read
Master Linux Text Processing: Essential Shell Tools and Practical Examples
Practical DevOps Architecture
Practical DevOps Architecture
Apr 8, 2016 · Operations

Extracting System Configuration Using Linux Commands

This tutorial explains how to capture IP addresses, filter empty lines, count regular files in /bin, copy the inittab file, and count non‑comment configuration lines on a Linux host using standard shell commands such as ifconfig, grep, ls, cp, and wc.

LinuxShellSystem Configuration
0 likes · 4 min read
Extracting System Configuration Using Linux Commands
Qunar Tech Salon
Qunar Tech Salon
Mar 23, 2016 · Operations

Using grep with Regular Expressions on Linux and Unix Systems

This guide explains how to use the GNU grep tool on Linux and Unix to perform powerful text searches with basic and extended regular expressions, covering pattern matching, character classes, wildcards, logical operators, quantifiers, output formatting, and differences between grep and egrep.

LinuxSearchgrep
0 likes · 10 min read
Using grep with Regular Expressions on Linux and Unix Systems
Baidu Tech Salon
Baidu Tech Salon
Jan 16, 2015 · Fundamentals

The History and Origins of the Unix grep Command

The Unix grep command, created by Ken Thompson before the fourth edition of Unix and named after the ed editor’s “g/re/p” syntax, first appeared in Version 4, later expanded by Al Aho into egrep and fgrep, and was popularized through the GNU and BSD implementations, illustrating Unix’s collaborative evolution.

Unixcommand-linegrep
0 likes · 9 min read
The History and Origins of the Unix grep Command