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JP Software command-line processors provide user-configurable colorization of file and directory names in directory listings based on their file extension and/or attributes through an optionally defined %COLORDIR% environment variable. For the Unix/Linux shells, this is a feature of the ls command and the terminal.
The Linux console (and Linux virtual consoles) are implemented by the VT (virtual terminal) subsystem of the Linux kernel, and do not rely on any user space software. [3] This is in contrast to a terminal emulator , which is a user space process that emulates a terminal, and is typically used in a graphical display environment.
This is a list of POSIX (Portable Operating System Interface) commands as specified by IEEE Std 1003.1-2024, which is part of the Single UNIX Specification (SUS). These commands can be found on Unix operating systems and most Unix-like operating systems.
X/Open does not specify the format of the compiled terminal description. In fact, it does not even mention the common tic or infocmp utilities. [ 6 ] [ 7 ] Because the compiled terminfo entries do not contain metadata identifying the indices within the tables to which each capability is assigned, they are not necessarily compatible between ...
According to the FHS version 2.3, such data were stored in /var/run, but this was a problem in some cases because this directory is not always available at early boot. As a result, these programs have had to resort to trickery, such as using /dev/.udev , /dev/.mdadm , /dev/.systemd or /dev/.mount directories, even though the device directory is ...
du — Show disk usage, space consumed by files and directories. echo — Write each argument to stdout, with one space between each, followed by a newline. egrep — Show lines matching extended regular expressions. eject — Eject DEVICE or default /dev/cdrom. env — Set the environment for command invocation, or list environment variables.
Under Windows Explorer, the content of a directory can also be hidden just by appending a pre-defined CLSID [12] to the end of the folder name. The directory is still visible, but its content becomes one of the Windows Special Folders. [13] However, the real content of this directory can still be seen using the CLI command dir.
This permission must be set for executable programs, in order to allow the operating system to run them. When set for a directory, the execute permission is interpreted as the search permission: it grants the ability to access file contents and meta-information if its name is known, but not list files inside the directory, unless read is set also.