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tty: Prints terminal name uname: Prints system information unlink: Removes the specified file using the unlink function uptime: Tells how long the system has been running users: Prints the user names of users currently logged into the current host who: Prints a list of all users currently logged in whoami: Prints the effective userid: yes ...
The Linux console provides a way for the kernel and other processes to output text-based messages to the user, and to receive text-based input from the user. In Linux, several devices can be used as system console: a virtual terminal, [8] serial port, [9] USB serial port, [10] VGA in text-mode, [11] framebuffer. [12]
TTY is a common trademark-free abbreviation for teletype, a device commonly attached to early computers' serial ports, and * represents a string identifying the specific port; the syntax of that string depends on the operating system and the device. On Linux, 8250/16550 UART hardware serial ports are named /dev/ttyS*, USB adapters appear as ...
losetup — Associate a loopback device with a file, or show current file (if any) associated with a loop device. ls — List files. lsattr — List file attributes on a Linux file system. lsmod — Display the currently loaded modules, their sizes and their dependencies. lspci — List PCI devices. lsusb — List USB hosts/devices.
The canonical list of the prefixes used in Linux can be found in the Linux Device List, the official registry of allocated device numbers and /dev directory nodes for the Linux operating system. [11] For most devices, this prefix is followed by a number uniquely identifying the particular device.
The tty command is commonly used to check if the output medium is a terminal. The command prints the file name of the terminal connected to standard input. If no file is detected (in case, it's being run as part of a script or the command is being piped) "not a tty" is printed to stdout and the command exits with an exit status of 1.
This is a list of notable terminal emulators. Most used terminal emulators on Linux and Unix-like systems are GNOME Terminal on GNOME and GTK-based environments, Konsole on KDE, and xfce4-terminal on Xfce as well as xterm.
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