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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.
Interpret carriage-control characters System V at: Process management Mandatory Execute commands at a later time Version 7 AT&T UNIX awk: Text processing Mandatory Pattern scanning and processing language Version 7 AT&T UNIX basename: Filesystem Mandatory Return non-directory portion of a pathname; see also dirname Version 7 AT&T UNIX batch
cgroups (abbreviated from control groups) is a Linux kernel feature that limits, accounts for, and isolates the resource usage (CPU, memory, disk I/O, etc. [1]) of a collection of processes. Engineers at Google started the work on this feature in 2006 under the name "process containers". [ 2 ]
BMC's Control-M software is an application workflow orchestration platform that allows businesses to run hundreds of thousands of batch jobs daily and use the data to optimize complex business operations, such as supply chain management. [13] Users can access all enterprise batch jobs through a single graphical interface. [14]
Most file systems include attributes of files and directories that control the ability of users to read, change, navigate, and execute the contents of the file system. In some cases, menu options or functions may be made visible or hidden depending on a user's permission level; this kind of user interface is referred to as permission-driven.
A chmod command first appeared in AT&T Unix version 1, along with the chmod system call. As systems grew in number and types of users, access-control lists [3] were added to many file systems in addition to these most basic modes to increase flexibility. The version of chmod bundled in GNU coreutils was written by David MacKenzie and Jim ...
remove: Mark specified files to be removed at next commit (note: keeps cohesive revision history of before and at the remove.) move: Mark specified files to be moved to a new location at next commit; copy: Mark specified files to be copied at next commit; merge: Apply the differences between two sources to a working copy path
On newer kernels (since 2.6.12 [7]), it is possible to have more fine-grained control over how the magic SysRq key can be used. [8] On these machines, the number written to /proc/sys/kernel/sysrq can be 0, 1, or a number greater than 1 which is a bitmask indicating which features to allow.