Which command is used to count just the number of characters in a file?
Which command is used to count just the number of characters in a file? A. wc – 1B. wc -c C. wc -w D. wc -r
Which command is used to count just the number of characters in a file? A. wc – 1B. wc -c C. wc -w D. wc -r
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/*
What command is used to set user and group quotas ? A. /sbin/usrquotaB. /sbin/edquota C. /sbin/quotaon D. /sbin/quota
What command is used to assign executable permission to the owner of the file named “letter” ? A. chmod ugo + x letterB. chmod u + x letter C. chmod u + w letter D. chmod g + x letter
Which of the following subdirectory(ies) contains the device files ? A. /dev B. /bin C. /etc D. /home
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?
How many class A, B and C network IDs can exist ? A. 128 B. 126 C. 16382D. 2113658
What command is used to compare the files ? A. ccp B. duC. cmp D. comp
What file contains the list of port numbers (and associated names) monitored by inetd ? A. /etc/services B. /etc/nsorder C. /etc/nsswitch.conf/ D. /etc/hosts
Which command is used with vi editor scroll half page backward ? A. [Control-d]B. [Control – u] C. [Control-c] D. [Control -P]