FSUTIL – Create a file of specified size

Windows utility “fsutil” can be used to create a file of certain size.

Fsutil file createnew

For example:

fsutil file createnew C:\file_100MB.dat 104857600
will create a 100MB file (104,857,600B = 100MB) named “file_100MB.dat” in C drive.

Disable structure padding in C

Following is the way to disable structure padding using pragma in C.

#pragma pack(push, 1)
//Define your structure here
#pragma pack(pop)
//Structure padding is re enabled.

More information can be found at MSDN. GCC follows the same specifications.

Watch out

Ever been in the situation where you want to run the command continuously without writing a shell script for it.

Watch is used to run a command to run at regular intervals. The basic syntax of the command is