Scripts

Text with a grey background will vary between users and systems.

Text in a Courier/Serif-type font is to be typed at a terminal/command prompt.

Text inside [square brackets] is optional to the command and can be ignored or changed.

"example.net" is a fictitious domain.

Links to documentation

Examples

find . -type d | xargs chmod o+xr
find . -name *,v | xargs chmod -w
du -hsx * | grep "[0-9]G" | sort -g
mysql -u root -p -e "SELECT hostname FROM inventory.computers WHERE os LIKE 'Windows XP' ORDER BY hostname" | sed -e 's;| ;;g' -e '1d' | mail -s "Windows XP PCs on `date +%Y%m%d`" someone@example.com

Tests

-d file: True if the file exists and is a directory
-e file: True if the file exists
-f file: True if the file exists and is a regular file
-r file: True if the file exists and is readable
-s file: True if the file exists and has a size greater than zero
-w file: True if the file exists and is writable
-x file: True if the file exists and is executable
-n string: True if the length of the string is non-zero
-z string: True if the length of the string is zero

Windows versions

Name	Version
Windows 7	Microsoft Windows [Version 6.1.7600]
Windows XP	Microsoft Windows XP [Version 5.1.2600]
Windows 2000	Microsoft Windows 2000 [Version 5.00.2195]
Windows Server 2003 Windows Server 2003 R2	Microsoft Windows [Version 5.2.3790]

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