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  2. List of GNU Core Utilities commands - Wikipedia

    en.wikipedia.org/wiki/List_of_GNU_Core_Utilities...

    A lightweight version of finger: printenv: Prints environment variables: printf: Formats and prints data pwd: Prints the current working directory: readlink: Displays value of a symbolic link: runcon: Run command with specified security context seq: Prints a sequence of numbers sleep: Delays for a specified amount of time stat: Returns data ...

  3. GNU Core Utilities - Wikipedia

    en.wikipedia.org/wiki/GNU_Core_Utilities

    The GNU Core Utilities or coreutils is a package of GNU software containing implementations for many of the basic tools, such as cat, ls, and rm, which are used on Unix-like operating systems.

  4. shred (Unix) - Wikipedia

    en.wikipedia.org/wiki/Shred_(Unix)

    By default, the command overwrites the file three times with multiple patterns, but the number is user configurable. It has an option to do an additional final overwrite with zeroes, which may help to hide the fact that it was used. By default, shred also shreds file slack (unused space in file allocations). For example, a 5 KB file on a file ...

  5. List of POSIX commands - Wikipedia

    en.wikipedia.org/wiki/List_of_POSIX_commands

    Version 1 AT&T UNIX dd: Filesystem Mandatory Convert and copy a file Version 5 AT&T UNIX delta: SCCS Optional (XSI) Make a delta (change) to an SCCS file PWB UNIX df: Filesystem Mandatory Report free disk space Version 1 AT&T UNIX diff: Text processing Mandatory Compare two files; see also cmp Version 5 AT&T UNIX dirname: Filesystem Mandatory

  6. badblocks - Wikipedia

    en.wikipedia.org/wiki/Badblocks

    badblocks is a Linux utility to check for bad sectors on a disk drive. It can create a text file with a list of these sectors that can be used with other programs, like mkfs, so that they are not used in the future and thus do not cause data corruption. It is part of the e2fsprogs project, [1] and a port is available for BSD operating systems. [2]

  7. io_uring - Wikipedia

    en.wikipedia.org/wiki/Io_uring

    Computer programming portal; Linux portal; io_uring [a] (previously known as aioring) is a Linux kernel system call interface for storage device asynchronous I/O operations addressing performance issues with similar interfaces provided by functions like read()/write() or aio_read()/aio_write() etc. for operations on data accessed by file descriptors.

  8. Darik's Boot and Nuke - Wikipedia

    en.wikipedia.org/wiki/Darik's_Boot_and_Nuke

    DBAN can be booted from a CD, DVD, USB flash drive or diskless using a Preboot Execution Environment. It is based on Linux and supports PATA (IDE), SCSI and SATA hard drives. DBAN can be configured to automatically wipe every hard disk that it sees on a system or entire network of systems, making it very useful for unattended data destruction ...

  9. Device configuration overlay - Wikipedia

    en.wikipedia.org/wiki/Device_configuration_overlay

    However, the Linux test environment automatically removed the HPA on the test drive, allowing the tool to image sectors hidden by an HPA. The tool did not acquire sectors hidden by a DCO." [4] AccessData's FTK Imager 2.5.3.14 was validated by the National Institute of Justice (NIJ) in June 2008. Their findings indicated that "If a physical ...