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Update wc command and add tgz information to commands.md

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Donovan Glover 2017-12-16 23:52:12 -05:00
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help/commands.md
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@ -21,9 +21,10 @@ Note that "renaming" files is the same as moving them from one location to anoth
- Only list png and jpg files: `ls *.{png,jpg}`
- Print the file type based on header information: `file <filename>`
- Show all running processes as a tree: `pstree`
- Print the number of new lines: `wc -l <file>`
- Print the maximum line length: `wc -L <file>`
- Print the word count: `wc -w <file>`
- Print the number of lines in a file: `wc -l <file>`
- Print the length of the longest line in a file: `wc -L <file>`
- Print the number of words in a file: `wc -w <file>`
- Print the number of lines in all markdown files in a given directory, including subdirectories: `find . -name "*.md" | xargs wc -l`
- Show the size of the current directory, including subdirectories: `du -h`
- Show the size of the current directory and its files: `du -ha`
- Get more information about any command: `man <command>`
@ -159,6 +160,7 @@ Note that a git repository must be cloned with SSH if you want to use SSH with i
- View the contents of rar files: `unrar lb <files>`
- Extract the contents of rar files: `unrar x <files>`
- Extract the contents of zip files: `unzip <files>`
- Extract the contents of a tgz file: `tar -xvzf file.tgz`
- Extract any type of archiving algorithm: `extract <filename>`
**Note**: When using `unrar` or `unzip` to extract multiple files (with wildcards), you must first escape the `*` to `\*`.