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Strace help
Post 302770826 by far001han on Monday 18th of February 2013 01:30:02 PM
02-18-2013
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OK so I wanted to know how does grep outputs to the pipe and how sort reads from it. So I run a strace over "grep blah myfile | sort" and this is what I got:
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int ioctl(int d, int request, ...);
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Hi,
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Process 15033 attached - interrupt to quit
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LEARN ABOUT DEBIAN
mkfs.bfs
MKFS.BFS(8) System Administration MKFS.BFS(8) NAME
mkfs.bfs - make an SCO bfs filesystem SYNOPSIS
mkfs.bfs [options] device [block-count] DESCRIPTION
mkfs.bfs creates an SCO bfs filesystem on a block device (usually a disk partition or a file accessed via the loop device). The block-count parameter is the desired size of the filesystem, in blocks. If nothing is specified, the entire partition will be used. OPTIONS
-N, --inodes number Specify the desired number of inodes (at most 512). If nothing is specified, some default number in the range 48-512 is picked depending on the size of the partition. -V, --vname label Specify the volume label. I have no idea if/where this is used. -F, --fname name Specify the filesystem name. I have no idea if/where this is used. -v, --verbose Explain what is being done. -c This option is silently ignored. -l This option is silently ignored. -h, --help Display help text and exit. -V, --version Output version information and exit. Option -V only works as --version when it is the only option. EXIT CODES
The exit code returned by mkfs.bfs is 0 when all went well, and 1 when something went wrong. SEE ALSO
mkfs(8). AVAILABILITY
The mkfs.bfs command is part of the util-linux package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux/. util-linux July 2011 MKFS.BFS(8)