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Welcome to UnixCasts
Your source for learning the UNIX command line
Documentation
The man pages
Get the most out of the system manual.
Commands and concepts covered
- man
- ls
Topic episodes
- 1 - The man pages introduction using ls
- 2 - The man pages user specified arguments
- 3 - The man pages mutually exclusive arguments
- 4 - The man pages important sections
Code
Getting help
Learning more about UNIX commands.
Commands and concepts covered
- whatis
- apropos
- help
- info
Topic episodes
- 5 - The whatis command introduction
- 6 - The apropos command introduction
- 7 - The help command introduction
- 8 - The info command introduction
Files and Folders
Managing files & directories
Navigating around the filesystem.
Commands and concepts covered
- ls
- touch
- mkdir
- cd
- HOME
- nano
- cat
- more
- less
- head
- tail
- which
- whereis
- cp
- mv
- rmdir
- grep
- find
Topic episodes
- 9 - Directory hierarchy introduction
- 10 - Pathnames and ls
- 11 - File types
- 12 - The touch command introduction
- 13 - Wildcard basics
- 14 - Making directories
- 15 - Navigating directories
- 16 - Special directories
- 17 - The HOME directory
- 18 - The nano editor introduction
- 19 - The cat command introduction
- 20 - The more & less commands introduction
- 21 - The head command introduction
- 22 - The tail command introduction
- 23 - The which, whereis & file commands introduction
- 24 - Copying files
- 25 - Moving files
- 26 - Removing files
- 27 - Removing directories
- 28 - The grep command introduction
- 29 - The find command introduction
Permissions
Understanding permissions
How to read, write and execute files.
Commands and concepts covered
- chmod
Topic episodes
- 30 - Permissions introduction
- 31 - Symbolic notation
- 32 - Read permissions: file owner
- 33 - Write permissions: file owner
- 34 - Execute permissions: file owner
- 35 - Read permissions: directory owner
- 36 - Write permissions: directory owner
- 37 - Execute permissions: directory owner
- 38 - Combinations of symbolic notation
- 39 - The X flag for a file
- 40 - The X flag for a directory
- 41 - The setuid flag
- 42 - The setgid flag
- 43 - The sticky bit: introduction
- 44 - The sticky bit: write perms & owns file
- 45 - The sticky bit: write perms but not owner
- 46 - The sticky bit: without execute permissions
- 47 - Special attributes
- 48 - chmod introduction
- 49 - chmod decimal to binary
- 50 - chmod binary to decimal
- 51 - chmod special flags
- 52 - chmod setuid
- 53 - chmod setgid
- 54 - chmod sticky bit
Pipes
Redirection & Pipes
Passing data to other commands.
Commands and concepts covered
- STDIN
- STDOUT
- STDERR
- >
- >>
- HERE docs
- tee
Topic episodes
- 55 -Streams introduction
- 56 - Using cat to input data
- 57 - Redirect stdout
- 58 - Using cat with multiple arguments
- 59 - Redirect with > can overwrite
- 60 - Redirect stdout with >>
- 61 - Redirect stdout of multiple files
- 62 - Redirect stdin with
- 63 - Redirect stdin then stdout
- 64 - Redirect stdout and stderr
- 65 - Redirect stdout & stderr to separate locations
- 66 - Redirect stderr to nowhere
- 67 - Here document
- 68 - Pipes introduction
- 69 - Top 10 unix commands
- 70 - The tee command
Processes
Working with processes
How to send signals and manage programs.
Commands and concepts covered
- ps
- top
- fg
- bg
- jobs
- kill
Topic episodes
- 71 - The ps command introduction
- 72 - The top command introduction
- 73 - The top command help menu
- 74 - The top command sorting output
- 75 - The top command update interval
- 76 - The top command sending signals
- 77 - The top command specified options
- 78 - Foreground processes introduction
- 79 - The jobs command
- 80 - Background jobs introduction
- 81 - The bg command introduction
- 82 - The fg command introduction
- 83 - The kill command introduction
Software packages
Installing software
Learn how to add new packages to system.
Commands and concepts covered
- curl
- brew
- zip
- unzip
- gzip
- gunzip
- tar
- compress
- uncompress
Topic episodes
- 84 - The curl command introduction
- 85 - Package management: brew introduction
- 86 - Package management: brew commands
- 87 - The zip & unzip commands introduction
- 88 - The gzip command introduction
- 89 - The gunzip command introduction
- 90 - The tar command: introduction
- 91 - The tar command: creating archives
- 92 - The tar command: creating a gzipped archive
- 93 - The tar command: creating a tgz archive
- 94 - The tar command: extracting a gzipped archive
- 95 - The compress & uncompress commands introduction
- 96 - Installing software from source
Miscellaneous Features
Features of a UNIX shell
Miscellaneous commands within the system.
Commands and concepts covered
- env
- PATH
- echo
- source
- alias
- unalias
Topic episodes
- 97 - The env command introduction
- 98 - The PATH environment variable
- 99 - Setting environment variables
- 100 - Displaying environment variables
- 101 - Shell initialization files
- 102 - Sourcing files
- 103 - The alias & unalias commands