Linux/UNIX Commandline Guide (Bash)

Published: 10 October 2020
on channel: 🥷 RTP Tech Tips 📡
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The Linux commandline for beginners. This will teach you how to discover new commands (in an independent way), learn navigation, copying/moving files, processes, directory structure, and where to find help/documentation when you need it.

The commands shown are universal to all Linux systems. Video was made on Parrot (Debian based).

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TIMESTAMPS:
00:00
00:57 whatis: identify command/definition
01:08 apropos: find commands based on topic
01:48 man: manual pages (issue: man commandGoesHere)
03:21 ls: list directories/files
03:32 file: show filetype of any given file
04:20 cd ~ : takes us to our home directory (personal space; ex: /home/Justin)
04:30 pwd: show where we are according to directory nesting
04:52 passwd: change our login password
05:32 who: see who is logged in
05:52 w: who is logged in and what they are doing
06:06 touch: create a file (ex: touch NewFileName)
06:29 nano: edit files (text editor; ex: nano FileNameHere.txt)
06:50 date: show time/date
06:57 cal: show calendar
07:04 wc: show number of characters, words, and/or lines in a file
07:41 cp: copy files (ex: cp 1stFileName.txt Newcopy.txt)
07:56 ls -a: show all files (including hidden 'dot' files (ex: .config))
08:19 ls -l: list all files including which owner/group owns it, readability, permissions
08:36 free: show current free/used memory (ram)
08:53 clear: clear off entire terminal window (create 'fresh slate')
08:59 ps: show processes running (default: under current shell)
09:02 ps aux: show all processes running and other details on those commands
09:19 kill processIDhere (ex: kill 1131)
09:34 mv file NewLocation (move files)
09:43 whereis: find a command location path


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