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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: Prints a ...
The domain was also expanded from only program names on the Berkeley system to both program names and files on Tenex. [1] The Tenex descendant TOPS-20 moved command line completion from command interpreter to the operating system via the COMND JSYS system call, to make it available to other user applications. [ 2 ]
Autocompletion in database query tools allows the user to autocomplete the table names in an SQL statement and column names of the tables referenced in the SQL statement. As text is typed into the editor, the context of the cursor within the SQL statement provides an indication of whether the user needs a table completion or a table column ...
[4]: 114 A DataFrame is a 2-dimensional data structure of rows and columns, similar to a spreadsheet, and analogous to a Python dictionary mapping column names (keys) to Series (values), with each Series sharing an index. [4]: 115 DataFrames can be concatenated together or "merged" on columns or indices in a manner similar to joins in SQL.
COMMAND.COM, the original Microsoft command line processor introduced on MS-DOS as well as Windows 9x, in 32-bit versions of NT-based Windows via NTVDM; cmd.exe, successor of COMMAND.COM introduced on OS/2 and Windows NT systems, although COMMAND.COM is still available in virtual DOS machines on IA-32 versions of those operating systems also.
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The name of the registry was a playful reference to IANA, the central registry of names and numbers used in the Internet. In 2002, LANANA became an official workgroup of the Free Standards Group. As of 2024, the official registry of allocated device numbers and /dev directory is in the Linux kernel documentation in The Linux kernel user's and ...