All Free Software Engineering MCQs with Answers

• A. nfsmount
• B. knfsd
• C. mount
• D. All of the above

Explanation: The `mount` command attaches a filesystem, including an NFS filesystem, to the directory tree; NFS is typically specified with a type or…

• A. $
• B. 3 dw
• C. 3 x
• D. 3 dd

Explanation: In vi, `dw` deletes one word, so `3dw` deletes three words from the cursor position.

• A. Linus Torvalds
• B. Richard Stallman
• C. Bob Young
• D. All of the above

Explanation: Richard Stallman founded the Free Software Foundation in 1985 to promote free software and related freedoms.

• A. del
• B. mv
• C. rm
• D. remove

Explanation: `rm` removes files in Unix/Linux systems. `mv` renames or moves a file, whereas `del` and `remove` are not the standard Unix command for…

• A. /etc/.profile
• B. /etc/.bashrc
• C. /etc/.log
• D. /etc/profile

Explanation: `/etc/profile` is read for system-wide shell initialization, so its settings apply by default to users with login shells.

• A. to exit status of ast command executed.
• B. to process number of the current shell
• C. to list the positional parameters
• D. to name the command being executed

Explanation: `$*` expands to all positional parameters supplied to the shell script or function, generally as one word when quoted.

• A. h
• B. k
• C. j
• D. i

Explanation: In vi command mode, `h` moves the cursor one position left. The commands `j` and `k` move down and up, while `i` enters insert mode.

• A. tee
• B. grep
• C. cat
• D. more

Explanation: `tee` copies standard input to a file while also sending the same data to standard output, so the output is both saved and displayed.

• A. /etc/apache.conf
• B. /etc/httpd/config.ini
• C. /etc/httpd/conf/httpd.conf
• D. /etc/srm.conf

Explanation: On traditional Apache installations, the primary configuration file is `/etc/httpd/conf/httpd.conf`.

• A. /dev
• B. /bin
• C. /etc
• D. /home

Explanation: System startup scripts are kept under `/etc`, commonly in subdirectories such as `/etc/init.d` or `/etc/rc.d`.

• A. switchdesk
• B. intrc
• C. xinitre
• D. Xchange

Explanation: `switchdesk` was a graphical Linux utility used to select or change the default X Window desktop environment.

• A. !
• B. $
• C. #
• D. @

Explanation: In traditional Unix terminal settings, @ was the line-kill character, removing the complete input line without issuing a new shell prompt.

• A. :pat
• B. ?pat
• C. /pat
• D. All of the above

Explanation: The vi command /pat searches forward for the pattern pat, while ?pat searches backward.

• A. lc
• B. wc - l
• C. cl
• D. count

Explanation: wc counts lines, words, and bytes; the -l option restricts its output to the number of lines. Thus wc -l filename is the standard command.

• A. ren
• B. mv
• C. remove
• D. change

Explanation: The Unix mv command moves a file and also changes its name when the destination is another filename.

• A. cdir
• B. chdir
• C. changedir
• D. cd

Explanation: cd changes the shell's current working directory, for example cd /var/log.

• A. NFS
• B. FTP
• C. PCMCIA
• D. All of the above

Explanation: NFS, FTP, and PCMCIA installations may require special boot disks because the installer needs drivers or network support before the…

• A. /etc/hosts.allow
• B. /etc/hosts.deny
• C. /etc/hosts
• D. /etc/tcp.conf

Explanation: tcp_wrappers reads /etc/hosts.allow for permitted connections, so an entry such as ALL: ALL allows connections from every host.

• A. au
• B. ps
• C. du
• D. pid

Explanation: ps displays information about active processes, including process IDs, terminals, CPU usage, and command names.

• A. rmdir
• B. rd
• C. remove
• D. rdir

Explanation: rmdir removes an empty directory in Unix and Linux. A directory containing files must first be emptied or removed recursively with an…