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vDSO (virtual dynamic shared object) is a kernel mechanism for exporting a carefully selected set of kernel space routines to user space applications so that applications can call these kernel space routines in-process, without incurring the performance penalty of a mode switch from user mode to kernel mode that is inherent when calling these same kernel space routines by means of the system ...
Log messages 4.3BSD logname: Misc Mandatory Return the user's login name 4.4BSD lp: Text processing Mandatory Send files to a printer System V ls: Filesystem Mandatory List directory contents Version 1 AT&T UNIX m4: Misc Mandatory Macro processor PWB UNIX mailx: Misc Mandatory Process messages Version 1 AT&T UNIX make: Programming Optional (SD)
In computer programming, a usage message or help message is a brief message displayed by a program that utilizes a command-line interface for execution. This message usually consists of the correct command line usage for the program and includes a list of the correct command-line arguments or options acceptable to said program.
Prints the groups of which the user is a member hostid: Prints the numeric identifier for the current host id: Prints real or effective UID and GID: link: Creates a link to a file logname: Print the user's login name nice: Modifies scheduling priority nohup: Allows a command to continue running after logging out nproc: Queries the number of ...
In version control software, a changeset (also known as commit [1] and revision [2] [3]) is a set of alterations packaged together, along with meta-information about the alterations. A changeset describes the exact differences between two successive versions in the version control system's repository of changes.
The GNU core utilities support long options as parameters to the commands, as well as the relaxed convention allowing options even after the regular arguments (unless the POSIXLY_CORRECT environment variable is set). This environment variable enables a different functionality in BSD.
Wright, Trump's nominee to be secretary of energy, appears before the Senate Energy and Natural Resources Committee for his confirmation hearing on Capitol Hill, Wednesday, Jan. 15, 2025, in ...
The Linux API is composed out of the system call interface of the Linux kernel, the GNU C Library (by GNU), libcgroup, [1] libdrm, libalsa and libevdev [2] (by freedesktop.org). Linux API vs. POSIX API. The Linux API includes the kernel–user space API, which allows code in user space to access system resources and services of the Linux kernel ...