Search results
Results from the WOW.Com Content Network
rm: Filesystem Mandatory Remove directory entries Version 1 AT&T UNIX rmdel: SCCS Optional (XSI) Remove a delta from an SCCS file PWB UNIX rmdir: Filesystem Mandatory Remove directories, if they are empty. Version 1 AT&T UNIX sact: SCCS Optional (XSI) Print current SCCS file-editing activity System III sccs: SCCS: Optional (XSI)
rm (short for remove) is a basic command on Unix and Unix-like operating systems used to remove objects such as computer files, directories and symbolic links from file systems and also special files such as device nodes, pipes and sockets, similar to the del command in MS-DOS, OS/2, and Microsoft Windows.
The magic SysRq key is a key combination understood by the Linux kernel, which allows the user to perform various low-level commands regardless of the system's state. It is often used to recover from freezes , or to reboot a computer without corrupting the filesystem . [ 1 ]
This page was last edited on 24 January 2019, at 19:33 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
A 104-key PC US English keyboard layout with System request circled. System Request (SysRq or Sys Req) is a key on personal computer keyboards that has no standard use. Introduced by IBM with the PC/AT, it was intended to be available as a special key to directly invoke low-level operating system functions with no possibility of conflicting with any existing software.
A giant lock is a solitary global lock that is held whenever a thread enters kernel space and released when the thread returns to user space; a system call is the archetypal example. In this model, threads in user space can run concurrently on any available processors or processor cores , but no more than one thread can run in kernel space; any ...
The Alt key method does not work on ChromeOS, macOS, Linux or other operating systems and there is no evidence of interest in replicating it. However, numeric entry of Unicode characters is possible in most Unix or Unix-like OSs by pressing and releasing Ctrl+⇧ Shift+U, and typing the hex number followed by the space bar or enter key. For ...
A seqlock (short for sequence lock) is a special locking mechanism used in Linux for supporting fast writes of shared variables between two parallel operating system routines. The semantics stabilized as of version 2.5.59, and they are present in the 2.6.x stable kernel series.