This video is a crash course to help new users get started with BASH. Here is a list of the commands we’ll cover:

BEGINNER’S GUIDE TO THE BASH TERMINAL

NAVIGATION

ls – list directory contents
pwd – print name of current/working directory
cd – change working directory
pushd/popd – put working directory on a stack
file – determine file type
locate – find files by name
updatedb – update database for locate
which – locate a command
history – display bash command history

GETTING HELP

whatis – display the on-line manual descriptions
apropos – search the manual page names and descriptions
man – an interface to the on-line reference manuals

WORKING WITH FILES

mkdir – create a directory/make directories
touch – change file timestamps/create empty files
cp – copy files and directories
mv – move (rename) files
rm – remove files or directories
rmdir – remove empty directories

TEXT FILES

cat – concatenate files and print on the standard output
more/less – file perusal filter for crt viewing
nano – command line text editor

USERS

sudo – execute a command as superuser
su – change user ID or become another user
users – print the user names of users currently logged in
id – print real and effective user and group IDs

CHANGING FILE PERMISSIONS

chmod – change permissions of a file

KILLING PROGRAMS AND LOGGING OUT

Ctrl+C – kill a running command
killall – kill processes by name
exit – log out of bash

USEFUL SHORTCUTS

Ctrl+D – signal bash that there is no more input
Ctrl+L – redraw the screen
Ctrl++ – make text bigger in terminal emulator
Ctrl+- – make text smaller in terminal emulator

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