Commands using sshd (4)

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list block devices
Shows all block devices in a tree with descruptions of what they are.

pretend to be busy in office to enjoy a cup of coffee
This will turn it in an infinite loop and also shows random words from a file, so it won't be the same each time and also not just a number.

List by size all of the directories in a given tree.

list block devices
Shows all block devices in a tree with descruptions of what they are.

Open a file with specified application.
This command require mac os x.

Print a row of 50 hyphens
essentially the ruby one, but perhaps has a larger installed base

Massive change of file extension (bash)
Change the file extension in batch. Useful to create output file names with same input name but distinct extension by including logic inside the loop

Go up multiple levels of directories quickly and easily.

Isolate file name from full path/find output
Quick method of isolating filenames from a full path using expansion. Much quicker than using "basename"

a fast way to repeat output a byte
the speed is about 500MB/s on my machine. i think it's fast enough to output not too many bytes. while a C program may output 1GB per sencond on my machine. if the size is not the power of 512,you may change the bs and count in dd.


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