Which command remove files in Linux?

Answer: rm – In Linux, rm (remove) deletes files, e.g. rm notes.txt.

Which DOS command deletes a directory?

Answer: RD – RD (Remove Directory) deletes an empty directory in DOS.

What is the full form of FSF?

Answer: Free Software Foundation – FSF = Free Software Foundation, founded by Richard Stallman to promote free software.

Which Linux command sorts the text file ‘network’ in descending order?

Answer: Sort - r network – sort -r sorts lines in reverse (descending) order.

Which DOS command lists all .com files in D drive?

Answer: DIR D :\ * .com – The wildcard * matches any name, so DIR D:\*.com lists every .com file on drive D.

Which is open source software?

Answer: Open Office – OpenOffice is free open-source office software; MS Office, Windows and macOS are proprietary.

Where is the user password stored?

Answer: /etc/passwd – User account details are kept in /etc/passwd (encrypted passwords are in /etc/shadow).

What are the directories under the root directory are called?

Answer: sub directories – Directories inside the root directory are called sub-directories.

What is the full form of OSS?

Answer: Open Source Software – OSS = Open Source Software – its source code is free to view, change and share.

Which software coding is freely available on the internet and open for users for further use?

Answer: Open source software – Open source software makes its source code freely available for anyone to use and improve.

Which character redirects output into an existing file in Linux?

Answer: > – > redirects command output into a file (overwrites it); >> appends to the file.

Which of the following is an advantage of open source software?

Answer: Edit and customize the source code – With open source you can edit and customise the source code for your needs.

Which linux command is used to copy the context from one file to another file?

Answer: cp – cp copies a file's contents to another file, e.g. cp a.txt b.txt.

What is the first option of the KDE desktop in Linux?

Answer: Application – The first menu of the KDE launcher is Applications, listing all installed programs.

Which character represents parent directory in Linux?

Answer: .. – In Linux, .. means the parent directory (cd .. goes one level up); . is the current directory.