The Essential 70 Linux Commands for DevOps

In the world of DevOps, efficiency and automation are kings. This is where Linux, with its vast array of command-line tools, shines. The command line is a powerful ally, providing direct control over the operating system and the machinery that runs your applications. Here, we introduce the top 70 Linux commands that are indispensable for DevOps engineers and system administrators. These commands form the backbone of many automated tasks, troubleshooting, and daily management of systems.

File and Directory Operations

1. ls: Unveil the contents of directories.
2. cd: Navigate through directories.
3. pwd: Display the current directory.
4. mkdir: Forge new directories.
5. touch: Create files without content.
6. cp: Duplicate files or directories.
7. mv: Relocate or rename files/directories.
8. rm: Eliminate files or directories.
9. find: Seek out files or directories.
10. grep: Filter patterns within files.

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perl read file - 15 ways

Method 1:

open(FH,'<file.txt') or die "Cant open file $!";

print FH;

close(FH);

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