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mv: Filesystem Mandatory Move or rename files Version 1 AT&T UNIX newgrp: Misc Mandatory Change to a new group Version 6 AT&T UNIX ngettext: Misc Mandatory Retrieve text string from messages object with plural form nice: Process management Mandatory Invoke a utility with an altered nice value Version 4 AT&T UNIX nl: Text processing Optional (XSI)
On UNIX implementations derived from AT&T UNIX, cp, ln and mv are implemented as a single program with hard-linked binaries. The behavior is selected from the path name argv [0] . This is a common technique by which closely related commands that have been packaged as a unit allow the user to specify the particular course of the intended action.
A wildcard mask can be thought of as an inverted subnet mask. For example, a subnet mask of 255.255.255.0 (11111111.11111111.11111111.00000000 2) inverts to a wildcard mask of 0.0.0.255 (00000000.00000000.00000000.11111111 2). A wild card mask is a matching rule. [2] The rule for a wildcard mask is: 0 means that the equivalent bit must match
A screenshot of the original 1971 Unix reference page for glob – the owner is dmr, short for Dennis Ritchie.. glob() (/ ɡ l ɒ b /) is a libc function for globbing, which is the archetypal use of pattern matching against the names in a filesystem directory such that a name pattern is expanded into a list of names matching that pattern.
Editing a FreeBSD shell script for configuring ipfirewall. A shell script is a computer program designed to be run by a Unix shell, a command-line interpreter. [1] The various dialects of shell scripts are considered to be command languages.
In SQL, wildcard characters can be used in LIKE expressions; the percent sign % matches zero or more characters, and underscore _ a single character. Transact-SQL also supports square brackets ([and ]) to list sets and ranges of characters to match, a leading caret ^ negates the set and matches only a character not within the list.
Since version 2.5.46 of the Linux kernel, the major parts of μClinux have been integrated with the mainline kernel for a number of processor architectures. [4] Greg Ungerer (who originally ported μClinux to the Motorola ColdFire family of processors) continued to maintain and actively push core μClinux support into the 2.6 series Linux kernels.
Most modern Linux distributions are LVM-aware to the point of being able to have their root file systems on a logical volume. [ 3 ] [ 4 ] [ 5 ] Heinz Mauelshagen wrote the original LVM code in 1998, when he was working at Sistina Software , taking its primary design guidelines from the HP-UX 's volume manager.