sometimes "ps -elf" command doesn't work Post: 302104227

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Why "@z=$x+$y" doesn't work?

253 lab2-36:~/try_direct/another> set x=1;set y=2;@z=$x+$y @z=1+2: Command not found. 254 lab2-36:~/try_direct/another>

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What's happens with my thread about "-bash: ELF: command not found "?

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LEARN ABOUT BSD

uname

UNAME(1)						      General Commands Manual							  UNAME(1)

NAME

       uname - display information about the system

SYNOPSIS

       uname [-amnrsv]

DESCRIPTION

       The  uname  command  writes the name of the operating system implementation to standard output.	When options are specified, strings repre-
       senting one or more system characteristics are written to standard output.

       The options are as follows:

       -a	 Behave as though the options -m, -n, -r , -s, and -v were specified.

       -m	 Write the type of the current hardware platform to standard output.

       -n	 Write the name of the system to standard output.

       -r	 Write the current release level of the operating system to standard output.

       -s	 Write the name of the operating system implementation to standard output.

       -v	 Write the version level of this release of the operating system to standard output.

       If the -a flag is specified, or multiple flags are specified, all output is written on a single line, separated by spaces.

       The uname utility exits 0 on success, and >0 if an error occurs.

SEE ALSO

       sysctl(8), sysctl(3), uname(3)

HISTORY

       The uname command appeared in 4.4BSD.

STANDARDS

       The command is expected to conform to the IEEE Std1003.2 (``POSIX'') specification.

4th Berkeley Distribution					 February 4, 1995							  UNAME(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

my "case" doesn't work !

Discussion started by: Nicol

2. UNIX for Dummies Questions & Answers

Why "@z=$x+$y" doesn't work?

Discussion started by: endeavour1985

3. Linux

By angle-brackets/"pipe" button doesn't work?

Discussion started by: riwa

4. UNIX for Dummies Questions & Answers

Help! "grep" doesn't work for me!

Discussion started by: kaixinsjtu