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LTTng uses the Tracepoint instrumentation of the Linux kernel, as well as various other information sources such as kprobes, and the Perf performance monitoring counters. Designed for minimal performance impact and having a near-zero impact when not tracing, it is useful for debugging a wide range of bugs that are otherwise extremely challenging.
SAM files can be very large (tens of Gigabytes is common), so compression is used to save space. SAM files are human-readable text files, and BAM files are simply their binary equivalent, whilst CRAM files are a restructured column-oriented binary container format.
In Unix-like operating systems, find is a command-line utility that locates files based on some user-specified criteria and either prints the pathname of each matched object or, if another action is requested, performs that action on each matched object.
Write the amount of free space of the file system containing the specified file Most implementations of df in Unix and Unix-like operating systems include extra options. The BSD and GNU coreutils versions include -h , which lists free space in human readable format displaying units with the appropriate SI prefix (e.g. 10 MB [ 5 ] ), -i , which ...
How an application should make system calls to the operating system, and if the ABI specifies direct system calls rather than procedure calls to system call stubs, the system call numbers; In the case of a complete operating system ABI, the binary format of object files, program libraries, etc.
Across Unix-like operating systems many different configuration-file formats exist, with each application or service potentially having a unique format, but there is a strong tradition of them being in human-editable plain text, and a simple key–value pair format is common.
ISBN represented as EAN-13 bar code showing both human-readable and machine-readable data. In computing, a human-readable medium or human-readable format is any encoding of data or information that can be naturally read by humans, resulting in human-readable data. It is often encoded as ASCII or Unicode text, rather than as binary data.
GNU (/ ɡ n uː / ⓘ) [3] [4] is an extensive collection of free software (394 packages as of June 2024), [5] which can be used as an operating system or can be used in parts with other operating systems. [6] [7] [8] The use of the completed GNU tools led to the family of operating systems popularly known as Linux. [9]