Essential Linux CLI Commands for System Administration and Development

Text Search and Pattern Matching The grep utility filters input streams based on regular expressions. Appending the -i flag forces case-insensitive comparisons, which is useful when parsing unstandardized logs. grep -i "authentication failed" auth.log File Discovery and Size Queries find traverses directory hierarchies and applies te ...

Posted on Tue, 07 Jul 2026 17:09:01 +0000 by babak

Comprehensive Guide to the Linux find Command

Command Structure The find command syntax consists of three primary components: find /etc -name "passwd" The first segment is the commmand itself, followed by the target directory path. Multiple paths can be specified: find /etc /var /usr -name "passwd" The third segment contains expressions that define search criteria and ...

Posted on Sun, 10 May 2026 01:54:51 +0000 by Ty44ler

File Search Techniques: find and mdfind Commands

The find Command The find command is a powerful utility for locating files within a directory hierarchy. Available on Unix, Linux, and macOS systems, it supports various search criteria including filename patterns, file types, modification times, and permisions. Basic Syntax find [path] [expression] The command traverses the specified director ...

Posted on Sat, 09 May 2026 18:08:32 +0000 by nmpku