History Command

From Luke Jackson

Revision as of 05:09, 18 November 2020 (edit) Ljackson (Talk | contribs) (→Examples) ← Previous diff		Current revision (05:13, 18 November 2020) (edit) Ljackson (Talk | contribs) (→Examples)
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	=== List All Entries without line numbers ===		=== List All Entries without line numbers ===
-	history -w /dev/stdout | grep 'date'	+	history -w /dev/stdout
		+
		+	=== Extract all history commands at end-of-session (EOS) ===
		+	history -w /dev/stdout > history_EOS_`date +%a_%b_%d_%F_%T`.txt
	=== List All Entries ===		=== List All Entries ===
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	history -d <offset>		history -d <offset>
		+
		+	=== Delete last N lines from bash history ===
		+	for i in {1..50}; do history -d 1030; done
	[[Category:Mac OS X]]		[[Category:Mac OS X]]
	[[Category:Linux]]		[[Category:Linux]]

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Current revision

history -- Linux/Unix/Mac OS X find command

Contents 1 Introduction 2 Syntax 3 Usage 4 Examples 4.1 List All Entries without line numbers 4.2 Extract all history commands at end-of-session (EOS) 4.3 List All Entries 4.4 Execute Entry 4.5 Delete Entry 4.6 Delete last N lines from bash history

Introduction

You can use history to view a list of the commands executed during the current $SHEL session. It is very helpful when are you are typing a lot of complex commands.

Syntax

lazy....

Usage

usage: history [-c] [-d offset] [n] or history -awrn [filename] or history -ps arg [arg...]

Examples

List All Entries without line numbers

history -w /dev/stdout

Extract all history commands at end-of-session (EOS)

history -w /dev/stdout > history_EOS_`date +%a_%b_%d_%F_%T`.txt

List All Entries

history

Execute Entry

!<offset>

Delete Entry

history -d <offset>

Delete last N lines from bash history

for i in {1..50}; do history -d 1030; done