luisuribe · January 1, 2010 16:20
diff --git a/shell shortcuts b/shell shortcuts
 // Empty a file from the command line
 $ cat /dev/null > t

 // Use last parameter
 $ ls /home/acme/norad
 $ rm !$

 #Send a file as an attachment (ssmtp previously configured)
 mpack -s "Un subject" un_fichero mailto:[email protected] [email protected]

 # To extract a range of lines, say lines 2 to 4, you can execute either of the following (From http://linuxcommando.blogspot.com/2008/03/using-sed-to-extract-lines-in-text-file.html):
 sed -n 2,4p somefile.txt
	// Empty a file from the command line
	$ cat /dev/null > t

	// Use last parameter
	$ ls /home/acme/norad
	$ rm !$

	#Send a file as an attachment (ssmtp previously configured)
	mpack -s "Un subject" un_fichero mailto:[email protected] [email protected]

	# To extract a range of lines, say lines 2 to 4, you can execute either of the following (From http://linuxcommando.blogspot.com/2008/03/using-sed-to-extract-lines-in-text-file.html):
	sed -n 2,4p somefile.txt