《aix系統(tǒng)應(yīng)用基礎(chǔ)》練習(xí)題6-shell命令符

1、答案：答案：C When executed on a single line, which commands will cause a syntax error?A. cd ; ./.profileB. ps -ef | grep initC. TERM=ibm3151 / export TERMD. find /etc -print | grep motd編輯ppt答案：答案：B Which of the following display information about the rpc_$register library routing using the man command?A.

2、 man -f rpc_$registerB. man rpc_$registerC. man rpc_$registerD. man -M rpc_$register編輯ppt答案：答案：D What is the Korn Shell variable PS1 used for?A. to specify the first process runningB. to specify the shells parent processC. to specify the priority setting of a korn shellD. to specify the string to be

3、 used as the primary system prompt編輯ppt答案：答案：B Where will the final output be placed after this sequence of piped commands?ls -l | pg file1 2&1B. command 1file1 2file2C. command 1file1 2file1D. command 2file2 1&2編輯ppt答案：答案：B Which commands can be executed on one line without producing a syntax error

4、?A. cd : pwdB. TERM=lft ; export TERMC. TERM=ibm3151 , export termD. TERM=ibm3151 export TERM編輯ppt答案：答案：D Which command will display the type of terminal a Korn Shell is currently running on?A. TERM=?B. man TERMC. echo TERMD. echo $TERM編輯ppt答案：答案：C Where will the final output of the following comman

5、d be placed?ls l /tmp | pgA. /tmpB. /dev/nullC. stdoutD. System printer編輯ppt答案：答案：C The following command is executed:cat /tmp/myfile temp There is an error when command is executed. Where will the error message of the command be placed?A. it will be sent to /dev/nullB. it will be sent to the system printerC. it will be displayed on the terminal screenD. it will be saved in the file temp created by the shell編輯ppt答案：答案：B Which command line reads the data in file “newsstand” from