Linux Process Substitution Explained (vs Pipes & Command Substitution)

🐧 Linux Process Substitution Explained: Pipes vs Command Substitution 🐧 (CLI 57)

Ever wondered why Linux has process substitution (≺( ) and ≻() ) and how it’s different from pipes (|) or command substitution ($( ))? In this video, we break it down in simple terms and show you when to use each one.

You’ll learn:
✅ What process substitution is and why it’s powerful
✅ How it differs from pipes in the Linux shell
✅ The difference between command substitution and process substitution
✅ Real examples that show how each works in Bash scripting
✅ How to use ≺( ) and ≻( ) in practical scenarios
✅ Tips for Linux users, sysadmins, and developers to level up shell skills

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Difficulty Level: Intermediate
Prerequisites: basic understanding of Linux Command line.

Video timeline
00:00 intro
00:31 pipe construct recap command1 | command2
01:28 process substitution intro command2 ≺(command1)
03:12 process substitution example diff ≺(ls -l dir1) ≺(ls -l dir2)
04:40 process substitution for output command2 ≻(command1)
06:27 BONUS: command substitution command2 $(command1)

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#DFIR #linux #processsubstitution