Listing text files
cat
• Best for small files-no paging
• May mess up your terminal
• Use “reset” to fix terminal
less
• Pager with lots of features
• See “man less”
• Use space to move down a page
• Move back a page with “b”
• Search with”/”
• Exit with “q”
Safety first: the -i switch • Prompt before overwriting or deleting files • Use the-i switch • “cp-i” and...
Listing text files cat • Best for small files-no paging • May mess up your terminal • Use “reset”...
Opening other files on Mac OS How to open non-text files? Mac OS: "open" • Opens the program associated...
How to Remove Directories (Folders) To remove an empty directory use the -d option. rm -d dirname Copy To remove non-empty...
Getting Help Manual Pages • command: “man” • “man Is” • “man cd” • “man man” Using the manual...
Moving files ■ mv • Warning: will silently overwrite existing files! • Arguments: a source filename and a target...
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