A. cat emp[!0-9]
B. more [emp][!0-9]
C. cat emp[x-z]
D. cat emp[a-z]
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Related Mcqs:
- Which command is used to change protection mode of files starting with the string emp and ending with 1,2, or 3 ?
A. chmod u+x emp[1-3]
B. chmod 777 emp*
C. chmod u+r ??? emp
D. chmod 222 emp? - Which command is used to copy all files having the string chap and any two characters after that to the progs directory ?
A. cp chap?? progs
B. cp chap* progs
C. cp chap[12] /progs/*.*
D. cp chap?? /progs/* - Which command is used to list out all the hidden files along with the other files ?
A. ls -l
B. ls -x
C. ls -F
D. ls -a - Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories ?
A. rm *
B. rm -r *
C. rm all
D. rm *.* - Which command is used to display all the lines with the string ‘sales’ from the file empl.lst ?
A. cut sales empl.lst
B. /sales > empl.lst
C. grep sales empl.lst
D. cat | /sales > empl.lst - What command is used to count the number of files in the current directory by using pipes ?
A. ls | ws – c
B. ls | wc – w
C. ls | wc – l
D. ls | wc - Which command is used to move all files to the bin sub-directory of the parent directory ?
A. mv *.* /bin/
B. mv * /bin/*
C. mv * ../bin
D. mv * ../bin *.* - Which command is used to link the files ?
A. lk
B. ln
C. cp
D. tar - Which command is used to locate all the .profile files in the system ?
A. ls profile
B. find /-name profile -print
C. cd /.profile
D. l -u .profile - What command is used to display and create files ?
A. lyrix
B. ed
C. vi
D. cat
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