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11.9. Number of Processesps ax | wc -l | tr -d " " OR ps ax | wc -l | awk '{print $1}' OR ps ax | wc -l | sed -e "s: ::g". In each case, tr or awk or sed is used to remove the undesirable whitespace. Relative speed: any one of these variants takes about 0.9 seconds on an unloaded 486SX25. Linux HOWTO full list |
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This document, LDP HOWTO-INDEX, is copyrighted (c) 1995 - 2002 by Tim Bynum, Guylhem Aznar, Joshua Drake and Greg Ferguson. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. A copy of the license is available at http://www.gnu.org/copyleft/fdl.html. If you have questions, please contact the LDP.
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