What command is used to change the working directory ?
What command is used to change the working directory ?
A. cdir
B. chdir
C. changedir
D. cd
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The second set of the three permissions (r-) indicates that______________?
The second set of the three permissions (r-) indicates that______________?A. group has read permission only
B. other has read permission only
C. owner has read permission only
D. group has write permission onlyWhich option is used with cmp command to give a detailed list of the byte number and the differing bytes in octal for each character that differs in both the files ?
Which option is used with cmp command to give a detailed list of the byte number and the differing bytes in octal for each character that differs in both the files ?A. -l
B. -d
C. -r
D. -bWhat command is used with file named ‘letter’ to remove the executable permission from the user and assign read permission to the group and others ?
What command is used with file named ‘letter’ to remove the executable permission from the user and assign read permission to the group and others ?A. chmod go + x, u – x letter
B. chmod g – x, uo + r letter
C. chmod go + r, u + x letter
D. chmod u – x, go + r letterWhat command is used to terminate a process ?
What command is used to terminate a process ?A. kill
B. cancel
C. haltsys
D. shutdownWhich symbol will be used with grep command to match the pattern pat at the end of a line ?
Which symbol will be used with grep command to match the pattern pat at the end of a line ?A. ^pat
B. $pat
C. pat$
D. pat^Which symbol will be used with grep command to match the pattern pat at the beginning of a line ?
Which symbol will be used with grep command to match the pattern pat at the beginning of a line ?A. ^pat
B. $pat
C. pat$
D. pat^