Unix Which of the following is invalid filename? TRY None of these trial my .file TRY None of these trial my .file ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters? cat emp[a-z] cat emp[x-z] more [emp][!0-9] cat emp[!0-9] cat emp[a-z] cat emp[x-z] more [emp][!0-9] cat emp[!0-9] ANSWER DOWNLOAD EXAMIANS APP
Unix The first set of the three permissions (rw) pertains to the owner of the file, indicating that the owner has both read and executable permissions. write and executable permissions None of these executable permission only both read and write permissions both read and executable permissions. write and executable permissions None of these executable permission only both read and write permissions ANSWER DOWNLOAD EXAMIANS APP
Unix The command that can be used to restrict incoming messages to a user is mesg None of these grep halt sleep mesg None of these grep halt sleep ANSWER DOWNLOAD EXAMIANS APP
Unix Which of the following options will be used to display number of blocks used by a file? #NAME? -r option None of these -c #NAME? -r option None of these -c ANSWER DOWNLOAD EXAMIANS APP
Unix Which command is used to extract specific columns from the file? cut cat paste grep cut cat paste grep ANSWER DOWNLOAD EXAMIANS APP
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