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df (abbreviation for disk free) is a standard Unix command used to display the amount of available disk space for file systems on which the invoking user has appropriate read access. df is typically implemented using the statfs or statvfs system calls .
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
This is a list of commands from the GNU Core Utilities for Unix environments. These commands can be found on Unix operating systems and most Unix-like operating systems. GNU Core Utilities include basic file, shell and text manipulation utilities. Coreutils includes all of the basic command-line tools that are expected in a POSIX system.
By default, the Single UNIX Specification (SUS) specifies that du is to display the file space allocated to each file and directory contained in the current directory. Links will be displayed as the size of the link file, not what is being linked to; the size of the content of directories is displayed, as expected.
df (Unix), a Unix command to report disk space usage by a filesystem; Dairy free, identifying products that contain no milk; Decapacitation factor, in biochemistry; Degrees of freedom, various measures in statistics, mathematics and physics; Density function, a mathematical function with a wide range of applications; Dielectric loss
Google Shell (goosh) - a UNIX-like front-end for Google Search. Korn shell (ksh), of which there are numerous variations. nsh - "A command-line shell like fish, but POSIX compatible;" available on Arch. [157] osh - "Oil Shell is a Bash-compatible UNIX command-line shell;" available on Arch. Mashey or Programmer's Workbench shell; Qshell for IBM i
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Unix (/ ˈ j uː n ɪ k s / ⓘ, YOO-niks; trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T Unix, whose development started in 1969 [1] at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others. [4]