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제 시스템에는 man 페이지가 있군요. # man test | col -b TEST(1)                        FSF                        TEST (1) NAME       test - check file types and compare values SYNOPSIS       test EXPRESSION       test EXPRESSION ]       test OPTION DESCRIPTION       Exit with the status determined by EXPRESSION.       --help display this help and exit       --version               output version information and exit       EXPRESSION  is  true or false and sets exit status.  It is       one of:       ( EXPRESSION )               EXPRESSION is true       ! EXPRESSION               EXPRESSION is false       EXPRESSION1 -a EXPRESSION2               both EXPRESSION1 and EXPRESSION2 are true       EXPRESSION1 -o EXPRESSION2               either EXPRESSION1 or EXPRESSION2 is true       [-n] STRING               the length of STRING is nonzero       -z STRING               the length of STRING is zero       STRING1 = STRING2               the strings are equal       STRING1 != STRING2               the strings are not equal       INTEGER1 -eq INTEGER2               INTEGER1 is equal to INTEGER2       INTEGER1 -ge INTEGER2               INTEGER1 is greater than or equal to INTEGER2       INTEGER1 -gt INTEGER2               INTEGER1 is greater than INTEGER2       INTEGER1 -le INTEGER2               INTEGER1 is less than or equal to INTEGER2       INTEGER1 -lt INTEGER2               INTEGER1 is less than INTEGER2       INTEGER1 -ne INTEGER2               INTEGER1 is not equal to INTEGER2       FILE1 -ef FILE2               FILE1 and FILE2 have the same device and inode num               bers       FILE1 -nt FILE2               FILE1 is newer (modification date) than FILE2       FILE1 -ot FILE2               FILE1 is older than FILE2       -b FILE               FILE exists and is block special       -c FILE               FILE exists and is character special       -d FILE               FILE exists and is a directory       -e FILE               FILE exists       -f FILE               FILE exists and is a regular file       -g FILE               FILE exists and is set-group-ID       -G FILE               FILE exists and is owned by the effective group ID       -k FILE               FILE exists and has its sticky bit set       -L FILE               FILE exists and is a symbolic link       -O FILE               FILE exists and is owned by the effective user ID       -p FILE               FILE exists and is a named pipe       -r FILE               FILE exists and is readable       -s FILE               FILE exists and has a size greater than zero       -S FILE               FILE exists and is a socket       -t [FD]               file descriptor FD (stdout by default) is opened on               a terminal       -u FILE               FILE exists and its set-user-ID bit is set       -w FILE               FILE exists and is writable       -x FILE               FILE exists and is executable       Beware that parentheses need to be escaped (e.g., by back       slashes) for shells.  INTEGER may also be -l STRING, which       evaluates to the length of STRING. REPORTING BUGS       Report bugs to <bug-sh-utils@gnu.org>. SEE ALSO       The full documentation for test is maintained as a Texinfo       manual.  If  the  info  and  test  programs  are properly       installed at your site, the command               info test       should give you access to the complete manual. COPYRIGHT       Copyright  1999 Free Software Foundation, Inc.       This is free software; see the source for  copying  condi       tions.  There is NO warranty; not even for MERCHANTABILITY       or FITNESS FOR A PARTICULAR PURPOSE. GNU sh-utils 2.0          August 1999                          3 : 쉘 프로그램을 살펴보면 test라는 명령어를 사용하는 것을 본적이 있습니 다. : 그런데 test에 해당하는 man 페이지가 없어서 사용법과 어디에 쓰이는 지 몰라서 이렇게 : 질문을 올립니다. : 답변좀... : : -- : 이 곳에 서명을 적어주십시오. : 허접같은 인생..

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