Using The Command Lines

Windows: Display File Contents

• cat .\import_document.tsx

• more .\import_document.tsx

• Enter Key Advance the file by one line

• Space Key Advances the file by one page

• q Key Allows you to quit out of more and go back to your shell

• cat fruits.txt -Head 10

• cat fruits.txt -Tail 10

Linux: Display File Contents

• cat import_document.txt

• less large_document.txt

• g Key Moves to the beginning of a file

• G Key Moves to the end of a text file

• /word_search Allows you to search for a word or phrase

• q Key Allows you to quit out of more and go back to your shell

• head fruits.txt

• tail fruits.txt

Windows: Modifying Text Files

• start notepad++ hello.txt

Linux: Modifying Text Files

• nano my_file

Windows Powershell

• Get-Help
• Get-Alias
• Get-ChildItem
• Get-Alias ls
• Get-Help is used for PowerShell commands like Get-Help ls, and /? is used for other commands like dir such as dir /?

Windows: Searching Within Files

• Ctrl + F Indexing option
• Find Notepad++, press CTRL+SHIFT+F to open the Find Files dialog
• sls
• select-string cow farm_animals.txt
• select-string cow *.txt

Windows: Searching Within Directories

• ls 'C:Programs Files\' -Recursive -Filter *.exe
• Filter Will filter the results for file names that match a pattern

Linux: Searching Within Files

• grep cow farm_animals.txt
• select-grep cow *_animals.txt

Windows: Input, Output, and Pipeline

• cd 'C:\User\Cindy\desktop
• echo woof > dog.txt
• Write-Output
• input/output streams
• stdin, stdout, stderr
• cat .\dog.txt
• echo woof
• echo woof >> dog.txt
• cat dog.txt
• cat word.txt
• cat word.txt | Select-String st
• cat word.txt | Select-String st > st_words.txt
• cat st_words.txt
• rm secure_file
• rm secure_file > errors.txt
• 1:stdout - the output
• 1:stderr - the error
• $null
• Get-Help
• about_redirection

Linux: Input, Output, and Pipeline

• stdin, stdout, stderr
• echo woof > dog.txt
• cat dog.txt
• echo woof >> dog.txt
• cat dog.txt
• cat < file_input.txt
• cat file_input.txt
• ls /dir/fake_dir 2 > error_output.txt
• cat error_output.txt
• /dev/null
• less /var/log/syslog 2 > /dev/null
• less -la /etc | grep bluetooth

Windows and Linux Advanced Navigation

• Regular Expression Used to help you do advanced pattern-based selection