a) set
b) alias
c) new
d) echo
Answer: b
Clarification: None.
2. What is the function of bind command in bash shell?
a) defining new macros
b) defining new key bindings for existing commands
c) dumping the installed key bindings
d) all of the mentioned
Answer: d
Clarification: None.
3. The command ‘compgen -c’ shows
a) all variable names
b) all system wide aliases
c) full list of all commands
d) none of the mentioned
Answer: c
Clarification: None.
4. Which statement resumes the next iteration of a for, while, select, or untill loop?
a) continue
b) break
c) complete
d) command
Answer: a
Clarification: None.
5. Which command prints the directory stack?
a) cd
b) dirs
c) popd
d) pushd
Answer: b
Clarification: None.
6. The command ‘disown -r’
a) removes all jobs
b) removes all running jobs
c) marks jobs to not receive SIGHUP when bash exits
d) marks all jobs
Answer: b
Clarification: None.
7. The command ‘enable -n ‘
a) enables the specified built-in command
b) disables the specified built-in command
c) print the status of the command
d) none of the mentioned
Answer: b
Clarification: None.
8. Which command can create environment variable?
a) export
b) set
c) read
d) none of the mentioned
Answer: a
Clarification: None.
9. Which command concatenate the specified argument into a single command, then execute the command?
a) fc
b) eval
c) exec
d) getopts
Answer: b
10. The command ‘hash’
a) manages a internal hash table
b) find and remember the full path name of the specified command
c) displays used command names and the number of hits
d) all of the mentioned
Answer: d