Skip to Main Content
Linux Shell Scripting Essentials
book

Linux Shell Scripting Essentials

by Sinny Kumari
November 2015
Beginner content levelBeginner
282 pages
5h 5m
English
Packt Publishing
Content preview from Linux Shell Scripting Essentials

Knowing your history

Shells provide an interesting feature that allows you to find out the history of all commands you have executed previously in a shell. It often happens that we forget what command was typed on the previous day to perform a task. We may or may not be able to recall the exact syntax, but it is very convenient that we can refer to the history saved by the shell.

Shell variables controlling the history

There are shell variables that can be altered to change what and how much history a user can see. These shell variables are mentioned in the following table:

Name

Value

HISTFILE

Name of file in which by default history will be saved

HISTFILESIZE

Number of commands to be kept in history file

HISTSIZE

Number of history to be ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Learning Linux Shell Scripting

Learning Linux Shell Scripting

Ganesh Sanjiv Naik

Publisher Resources

ISBN: 9781785284441Supplemental Content